a) The power transmitted by the belt, is 5.53 hp and (b) the work done in one minute of sanding, in Btu is 37500 Btu.
What is power?
Power is the ability to influence people, events, and outcomes. It is a fundamental element in the human experience, and it has been studied by scholars and philosophers for centuries. Power can manifest itself in many forms, such as political, economic, military, cultural, or social. It is often used to control or dominate others, and it is used to create and maintain systems of inequality and oppression. Power can also be used for good, such as providing people with the resources and ability to make positive changes in their lives and the world around them.
a) Power Transmitted by the Belt = (15 bf) x (1500 ft/min) x (0.2) = 4500 bf-ft/min = 4500 ft-lb/min = 7500 Btu/s = 5.53 hp
b) Work Done in One Minute of Sanding = (15 bf) x (1500 ft/min) = 22500 ft-lb = 37500 Btu
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Tech A says that dust masks should be used when painting. Tech B says that a respirator should be used when the TLV for a chemical is exceeded. Who is correct
According to the question of chemical , both Tech A and Tech B are correct.
What is chemical?
Chemistry is a branch of science that studies the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions. It is the study of the composition, structure, and properties of matter, and the changes it undergoes during chemical reactions. It involves the study of the interactions between atoms and molecules, and the energy changes that accompany these interactions. Chemistry is a foundational science, as it is necessary to understand the properties and behavior of matter in order to understand the behavior of the elements, molecules, and compounds that make up the world.
Dust masks should be used when painting, and a respirator should be used when the threshold limit value (TLV) for a chemical is exceeded.
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This new concrete allows water to flow through it quickly because it has many holes in it. What is its porosity and permeability
The permeability of different concrete designs varies. Permeable concrete is a type of concrete that is porous and allows water to pass through it. We recently used this on a project where traffic was driving over an area with drainage issues.
What exactly is porosity, and how does it relate to concrete permeability?
The volume of voids in concrete is measured by porosity. The rate of moisture flow through concrete under a pressure gradient is defined as permeability.
Moisture must be able to move through voids that are interconnected and of a certain size. Moisture flow is slowed by discontinuous pores and pores with narrow entrances. Permeability is low in a mature, well-cured, well-proportioned paste (low w/cm), even if porosity is high. Permeability is increased in porous concrete.
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The statements below refer to the design and operation of the power sub-system on a spacecraft. Select all those statements that are correct.
Partial credit is available for each correct answer. Select only those statements you know to be correct because negative marking is applied
within this question (although it is not possible to get a negative mark for the question overall).
Radioisotope Thermoelectric Generators (RTGS) are commonly applied to earth-orbiting spacecraft to provide power for the eclipse periodwhen the solar panels are ineffective.
Jupiter is considered the approximate limit for solar-powered orbital missions; missions to planets beyond this will require Radioisotope
Thermoelectric Generators (RTGS).
When sizing solar arrays, the area required typically has to be factored up as the temperature decreases because the cells operate less
efficiently when cold.
A spacecraft designed to operate in orbit at Mars will require generally require significantly smaller solar arays than one designed for
operation at Earth.
When sizing solar arrays, the area required must be factored up to allow for the array efficiency to decrease with time due to degradation.
When sizing solar arrays, the area required typically has to be factored up as the temperature increases because the cells operate less
efficiently when warm.
Radioisotope Thermoelectric Generators (RTGS) have many moving parts, which limits their reliability for long-duration missions.
For a spacecraft in planetary orbit, power for the eclipse period is commonly provided by a battery as a secondary power source, and an
increased solar array area to give extra power to charge the batteries whilst not in eclipse.
The statements below that refer to the design and operation of the power sub-system on a spacecraft is option
Radioisotope Thermoelectric Generators (RTGS) are commonly applied to earth-orbiting spacecraft to provide power for the eclipse period when the solar panels are ineffective.Jupiter is considered the approximate limit for solar-powered orbital missions; missions to planets beyond this will require Radioisotope Thermoelectric Generators (RTGS).A spacecraft designed to operate in orbit at Mars will require generally require significantly smaller solar arrays than one designed for operation at Earth. This is because Mars is farther from the sun than Earth, so it receives less sunlight. A smaller solar array is needed to generate the same amount of power as a larger array would at Earth because of the decreased amount of sunlight.When sizing solar arrays, the area required must be factored up to allow for the array efficiency to decrease with time due to degradation.7. For a spacecraft in planetary orbit, power for the eclipse period is commonly provided by a battery as a secondary power source, and an increased solar array area to give extra power to charge the batteries whilst not in eclipse.
Why is the above statement correct?Radioisotope Thermoelectric Generators (RTGS) are commonly applied to earth-orbiting spacecraft to provide power for the eclipse period when the solar panels are ineffective.
This is because RTGS use the heat generated by the decay of a radioactive material to generate electricity, which allows them to continue to produce power even when the solar panels are not receiving sunlight.
Therefore, Jupiter is considered the approximate limit for solar-powered orbital missions; missions to planets beyond this will require Radioisotope Thermoelectric Generators (RTGS). This is because as you move farther away from the sun, the amount of sunlight received by the solar panels decreases, making it difficult to generate enough power to operate the spacecraft. RTGS are a more reliable power source for missions to these outer planets because they do not rely on sunlight to generate power.
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A set of steel reinforcing rods is to be stretched axially in tension to create a tensile stress of 30 ksi prior to being cast in concrete to form a beam. Determine how much force will be required to stretch them the required amount and how much deflection is required. There are 10 rods; each is 0. 75-in diameter and 30 ft long
According to the question of tensile stress, 5.66 kips is required to stretch them the required amount and 0.0015 in deflection is require.
What is tensile stress?
Tensile stress is a physical force exerted on a material in opposing directions along its length. It is a measure of the amount of force necessary to pull a material apart, or to cause a fracture. Tensile stress occurs when a material is placed under load and the load is applied in a way that causes the material to elongate. When a material is subjected to tensile stress, the molecules of the material become stretched and the material's shape is changed.
The required force is calculated by multiplying the area of the rod by the desired stress:
F = A * σ = π/4 * (0.75 in)^2 * 30 ksi = 5.66 kips
The required deflection is determined by multiplying the required force by the length of the rod and then dividing by the modulus of elasticity (E) and the area of the rod:
δ = FL/EA = 5.66 kips * 30 ft / (30,000 ksi * π/4 * (0.75 in)2) = 0.0015 in
Therefore, the required force is 5.66 kips and the required deflection is 0.0015 in.
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the rectangular components of acceleration for a particle are ax = 3t and ay= (30-10t) where a is in m/ s^2 . if the particles start from rest at the origin. find the radius of curvature of the path at the instant 2 second.
Vector parts that are rectangular in shape are referred to as such if their axes are perpendicular to one another.
How can I locate rectangular parts?The rectangular components can be calculated algebraically or graphically, with the force represented as a vector. Knowing two of the six geometric characteristics of a triangle is necessary to resolve a vector into its components, Fx = F cos or Fy = F sin (the lengths of the sides and the three angles).
A vector's rectangular components are any two axes that are perpendicular to one another. An illustration of an example that demonstrates this is provided below. Additional Details: We have the magnitude of any two generic vectors' R's final formula is A2+B2+2ABcos.
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1. What is a geotechnical investigation? What site investigation should take place before designing concrete foundations? What is a Geotechnical Report? Discuss in detail.
A geotechnical investigation is an assessment of the physical and chemical properties of soil, rock, and other subsurface materials. It is typically carried out in order to evaluate the suitability of the ground for a particular purpose, such as the construction of a building or bridge.
Site investigation is the process of collecting and evaluating data about the soil, rock, and groundwater conditions at a particular location. This is usually done before designing concrete foundations, as the characteristics of the subsurface materials can have a significant impact on the stability and integrity of the foundation.
A geotechnical report is a document that summarizes the results of a geotechnical investigation. It typically includes information about the geology of the site, the properties of the subsurface materials, and any potential geotechnical hazards or issues that may affect the proposed development. The report may also include recommendations for how to address any issues that are identified, such as installing foundation reinforcement or providing additional support for the structure.
Site investigations typically involve a number of different techniques, such as soil and rock sampling, borehole drilling, and laboratory testing. The specific techniques used will depend on the nature of the project and the type of information that is needed.
Convert n = (5.6 + j6.6) to polar form (A?B
A.B's real component is 0.457. Ab is imaginary component 43.67. A/real B's portion is 1.583. A/imaginary B's part is -0.319.
What is a sample of a science direct conversion?to create a phase transformation in (a substance): to transform alcohol into sugar. To invert or transfer. to assert unauthorized legal title to (personal property).
Consider the following cormplex number.
[tex]$$n=5.6+j 6.6$$[/tex]
Consider the formula for conrplex to polar conversion[tex]$x+j y=r \angle \theta^{\circ}$[/tex]
Where
[tex]$$\begin{aligned}& r=\sqrt{x^2+y^2} \\& \theta=\tan ^{-1}\left(\frac{y}{x}\right)\end{aligned}$$[/tex]
Calculate the magnitude of[tex]$n$.[/tex]
[tex]$$[/tex]
[tex]\begin{aligned}& A=\sqrt{5.6^2+6.6^2} \\& A=8.655\end{aligned}$$[/tex]
Calculate the phase of[tex]$n$.[/tex]
[tex]$$[/tex]
[tex]B=\tan ^{-1}\left(\frac{6.6}{5.5}\right)$$[/tex]
[tex]$$B=49.685^{\circ}$$[/tex]
(b)
Consider the following complex numbers.
[tex]$$\begin{aligned}& A=9.9+j 2.9 \\& B=6.1+j 5.3\end{aligned}$$[/tex]
Calculate[tex]$A \cdot B$.[/tex]
[tex]& A \cdot B=83.36 \angle 57.3^{\circ} \\& \text { Calculate } \frac{A}{B} \\& \frac{A}{B}=\frac{9.9+j 2.9}{6.1+j 5.3} \\& \frac{A}{B}=\frac{9.9+j 2.9}{6.1+j 5.3} \times \frac{6.1-j 5.3}{6.1-j 5.3} \\& \frac{A}{B}=\frac{(9.9+j 2.9)(6.1-j 5.3)}{6.1^2+5.3^2} \\& \frac{A}{B}=1.16-j 0.53 \\[/tex]
[tex]& \frac{A}{B}=\sqrt{1.16^2+0.53^2} \angle \tan ^{-1}\left(\frac{-0.53}{1.16}\right) \\& \frac{A}{B}=1.276 \angle-24.65^n \\& A=8.4 \angle 39^{\circ} \\& B=5.2 \angle 50.4^{\circ} \\& A \cdot B=\left(8.4 \angle 39^{\circ}\right)\left(5.2 \angle 50.4^{\circ}\right) \\[/tex]
[tex]& A \cdot B=(8.4 \times 5.2) \angle 39^{\circ}+50.4^{\circ} \\& A \cdot B=43.68 \angle 89.4^* \\& A \cdot B=43.68 \cos \left(89.4^{\circ}\right)+j 43.68 \sin \left(89.4^{\circ}\right) \\& A \cdot B=0.457+j 43.67 \\&\end{aligned}[/tex]
[tex]$$Calculate $\frac{A}{B}$[/tex]
[tex]$$\begin{aligned}& \frac{A}{B}=\frac{8.4 \angle 39^{\circ}}{5.2 \angle 50.4^{\circ}} \\& \frac{A}{B}=\left(\frac{8.4}{5.2}\right) \angle 39^{\circ}-50.4^{\circ} \\& \frac{A}{B}=1.615 \angle-11.4^{\circ} \\& \frac{A}{B}=1.615 \cos (-11.4)+j 1.615 \sin (-11.4) \\& \frac{A}{B}=1.583-j 0.319\end{aligned}$$[/tex]
Real part of[tex]$A \cdot B$ is $0.457$[/tex]
imaginary part of[tex]$A \cdot B$ is $43.67$[/tex]
Real part of [tex]$\frac{A}{B}$ is $1.583$[/tex]
Imaginary part of[tex]$\frac{A}{B}$ is $1.583$[/tex][tex]$\frac{A}{B}$ is $1.583$[/tex]
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A.B's real component is 0.457. Ab is imaginary component 43.67. A/real B's portion is 1.583. A/imaginary B's part is -0.319.
What is a sample of a science direct conversion?In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave to a sequence of "samples".The conversion of digital signals from a given sampling rate to a second, arbitrary sampling rate, with both sampling rates derived from independent clock generators, is revisited. A general approach to arbitrary sampling rate conversion is presented from which two efficient realisations are deduced. The computational expenditure of both realisations is derived under the restriction of finite coefficient wordlengths. Finally, design examples demonstrate how to find the optimised parameters and finite wordlength coefficients of an arbitrary sampling rate converter with minimised expenditure and a prescribed performance.
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A resonant six-turn loop of closely spaced turns is operating at 50 MHz. The radius of the loop is λ/30. The radius of the wire is λ/300, its conductivity is σ = 5.7 × 107 S/m. Determine the:
a. the directivity of the antenna (in dB)
b. the radiation efficiency
c. the gain of the antenna (in dB)
a) the directivity of the antenna is evaluated to be = 1.761db
b) radiation efficiency is evaluated to be = 98.67%
c) reflection efficiency gain is evaluated to be = 68%
What is resonant?Resonance is the relatively large selective response of an object or a system to an external oscillatory force that causes it to vibrate in step or phase. First, acoustical systems like musical instruments and the human voice were studied for resonance.
The total range of resonance frequencies was discovered to be independent of mass, height, and mass-to-height ratio, ranging from 9 to 16 Hz.
Therefore, the correct options are: a) 1.761 db., b) 98.67%., c) 68%.
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Type I motor units could best be described by which of the following in comparison to type II motor units
In comparison to type II motor units, type I motor units could best be described as B: "Type I motor units are recruited first."
Type I or type S (slow) is a slow twitch, a fatigue-resistant unit with the smallest force or twitch tension and slowest contraction. Type I motor unit contains oxidative enzymes. On the other hand, type II or type FR (fast, resistant) is a fast twitch, a fatigue-resistant unit with larger forces and faster contraction times. Type II contains oxidative and glycolytic enzymes.
In a comparison of both type I and type II motor units, type I motor units are found to be recruited first.
"
The complete question:
Type I motor units could best be described by which of the following in comparison to type II motor units
a. Type I motor units are faster than type II.
b. Type I motor units are recruited first.
c. Type I motor units are recruited after type II.
d. Type I motor units are larger than type II.
"
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When harmonic distortion is specified as a composite value representing all the harmonics, it is called total harmonic distortion.
Yes, that's correct. THD is typically expressed as a percentage, with lower values indicating a cleaner signal with less distortion.
Total harmonic distortion (THD) is a measure of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency.
What is total harmonic distortion?Total harmonic distortion (THD) is a measure of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. THD is typically expressed as a percentage, with lower values indicating a cleaner signal with less distortion.
Complete question:
When harmonic distortion is specified as a composite value representing all the harmonics, it is called total harmonic distortion. ¿True or false?
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If water is so abundant on Earth, why are water resources such a big concern?
a. Water resources are not necessarily where humans need them and when they need them.
b. Humans are not very adept at exploiting water resources, so many go unused.
c. Most of the water on Earth is frozen in polar ice sheets.
d. Most of the water is caught up in the hydrologic cycle and is therefore not readily available.
The hydrologic cycle is important because it determines how water gets to ourselves, the plants, and the animals.
The hydrologic cycle is a very important process since it controls our planet's climate and ensures that all living things have access to water. We would run out of clean water, which is essential for life, if water didn't apparently recycle itself. aquatic environments are exposed to pathogens and silt. The continuous movement of water in the atmosphere, on the surface, and underneath the Earth is known as the hydrologic cycle (sometimes referred to as the water cycle). This cycle is the power exchange that affects the weather. Power is released and the environment is warmed when water condenses. The hydrological cycle of the earth's ecosystems is the culmination of all methods used to move water.
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Which of the following is a good technique for building safer structures in an earthquake zone? a. Place shock absorbers on the tops of buildings to add stability. b. Use wood-frame construction. c. Use unreinforced walls so the walls can sway. d. Use concrete-block construction.
The following is a good technique for building safer structures in an earthquake zone is to use concrete-block construction.
What is an earthquake zone?
An earthquake zone is an area that is prone to frequent seismic activity. These zones are commonly located near active fault lines, where the Earth's tectonic plates constantly move. Earthquakes can cause significant damage to the local area, so it is important to be aware of the potential dangers of living in a seismically active region. In order to assess the risk, geologists and seismologists will measure the frequency and intensity of past earthquakes to determine the potential hazard posed by a particular area. Earthquake zones can also be classified according to their potential for danger, with some areas having a higher risk than others. It is important to remember that earthquakes can occur anywhere and that safety precautions should always be taken when living in a seismically active region.
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The 6 -kg smooth cylinder is supported by the spring having a stiffness of kAB = 120 N/m. Determine the velocity of the cylinder when it moves downward s = .2m from its equilibrium position, which is caused by the application of the force F = 60 N. (The 60 N force is not present in the equilibrium position.)
The velocity of the cylinder when it moves downward s = 0.2m from its equilibrium position is; 1.55 m/s
How to find the velocity of the cylinder?At the equilibrium position, since;
F_sp = kx₀
We are given kAB = 120. Thus;
F_sp = 120x₀
Resolving forces about the y-axis gives;
∑f_y = 0, we have;
120x₀ - 4(9.81) = 0
x₀ = (6 * 9.81)/120
x₀ = 0.4905 m
Thus, when the 60 N force is applied, the compression of the spring is;
x = s + 0.4905 m
Thus;
F_sp = 120(s + 0.4905 m)
Then balancing of upward and downward forces gives us;
120(s + 0.4905) − 60 − 6(9.81) = 6(−a)
120s - 60 = -6a
a = 10 - 20s
At the initial condition v=0 at s = 0, we integrate to get the velocity;
v²/2 = 10s - 20s²
v = √(20s - 40s²)
At s = 0.2 m, we have;
v = √(20(0.2) - 40(0.2)²)
v = 1.55 m/s
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A stainless steel vessel holds 5.4 liters of milk. One-third of the milk is given to a cat. After some water is added to the milk that remains, its volume becomes 1.25 as much as it was before the water was added. If one-third of this diluted milk is given to three kittens, how much milk does the vessel hold now
The vessel now holds 4.05 liters of milk, after one-third of this diluted milk is given to three kittens
A stainless steel vessel holds 5.4 liters of milk. One-third of the milk is given to a cat. After some water is added to the milk that remains, its volume becomes 1.25 as much as it was before the water was added.
Before the water was added, the vessel held 5.4 liters of milk. After one-third (1.8 liters) was given to the cat, there was 3.6 liters of milk remaining in the vessel.
After adding water, the volume of the milk increased by a factor of 1.25, so the vessel now holds 4.5 liters (3.6 x 1.25) of diluted milk. Finally, one-third (1.5 liters) of this diluted milk is given to the three kittens, leaving 4.05 liters of milk in the vessel.
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For each resource, list 3 examples of how it would be used to produce a hamburger. Think outside of the “hamburger” box!
TECHNOLOGICAL RESOURCE
RESOURCE(S)
PEOPLE
TIME
TOOLS AND MACHINES
MATERIALS
CAPITAL
ENERGY
INFORMATION
Answer:
love
Explanation: you
/////////////////////
State Four Reasons for using plant and Equipment Sing
There will be several advantages to equipment standardization. Digital solutions accelerate standardization by giving an overview of the field equipment.
What benefit does using equipment provide?By using the most effective and efficient procedures, they aid in accelerating the rate of output. Reduce construction costs overall, especially for big contracts. A machine or piece of equipment can effortlessly perform tasks that are too difficult or delicate for human muscles to complete.
What purposes do tools and equipment serve?In general, they are used to assemble or disassemble objects (such as hammers and nail guns) (e.g., jackhammers and saws). Hand tools and power tools are two common categories for tools. All non-powered instruments are considered hand tools, such as such as pliers and hammers.
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Based on the case, which of the following are reasons why Boeing continues to expand internationally?
Multiple Choice
access to financial capital
availability of supplies and new markets
new markets
availability of supplies
Availability of supplies and new markets are reasons why Boeing continues to expand internationally.
What is Boeing?The Boeing Company is a global multinational American company that develops, produces, and markets aircraft, helicopters, rockets, satellites, telecommunications gear, and missiles. Additional services offered by the business include leasing and product support.
According to 2020 revenue, Boeing ranks third among the world's largest defence contractors. It is also the largest exporter from the United States in terms of dollar volume. Boeing is one of the biggest aerospace manufacturers in the world.
The Dow Jones Industrial Average counts Boeing stock as a component. Delaware serves as Boeing's corporate home. In Seattle, Washington, on July 15, 1916, William Boeing established Boeing. At the beginning of August 1997, Boeing and McDonnell Douglas merged to form the current corporation.
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how does learning about the brain and nervous system contribute to your own Self and Social Awareness?
Learning about the brain and nervous system can contribute to self and social awareness in several ways.
First, understanding how the brain and nervous system function can help you to better understand your own thoughts, feelings, and behaviors. For example, if you learn about the role of certain brain regions in emotion regulation, you may be better able to recognize when you are feeling overwhelmed or stressed and take steps to manage those emotions.
Second, learning about the brain and nervous system can also help you to better understand the thoughts, feelings, and behaviors of others. For example, if you understand how the brain processes social information and influences social behavior, you may be better able to recognize when someone is feeling stressed or upset and respond in a more empathetic and supportive way.
To conclude, learning about the brain and nervous system can help you to develop a greater sense of self-awareness and empathy, which can in turn improve your relationships with others and enhance your overall sense of well-being.
Hope This Helps You!
The maximum load that a 0. 50 in. Diameter teel rod can upport if the normal tre in the rod mut not exceed 24,000 pi i lb. (preciion of 100)
The maximum load that a 0.50 inch diameter steel rod can support if the normal stress in the rod must not exceed 24,000 psi is 15,772 lb.
What is stress?
Stress in engineering is the amount of force that is applied to a material or structure. It is expressed in terms of pounds per square inch (psi) or megapascals (MPa). Stress can be caused by external forces such as gravity, wind, and temperature, as well as by internal forces such as tension, compression, and shear. When a material is stressed beyond its ability to contain the force, it will eventually fail. Engineers must consider a variety of factors when designing a structure or product to ensure that it can withstand the forces it will encounter in its intended environment. This includes understanding the properties of the materials being used, the effect of temperature and other environmental conditions, and the safety factors that must be applied to ensure the structure does not fail under extreme stress.
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It is okay to speed 7-10 mph over the posted speed limit.
The police cannot write speeding tickets for that.
Answer:
it is okay depending on how u drive
If dhsjbejsjwnsjsjjfndjwks
Answer:
dhsjbejsjwnsjsjjfndjwks
Thanks for the freeeeee pointssssss!
Explanation:
;p
A highway construction company operates a quarry. During the last 5 years, the amount extracted each year was 60,000, 50,000, 58,000 60,000, and 65,000 tons. The mine is estimated to contain a total of 2.5 million tons of usable stones and gravel. The quarry land had an initial cost of $3.2 million. The company had a per-ton gross income of $30 for the first year, $25 for the second year, $35 for the next 2 years, and $40 for the last year. The rate for percentage depletion is 5% (10)
(a) Determine the depletion charge each year, using the two depiction methods. Assume all depletion amounts are less than 50% of taxable income.
(b) If the quarry operation is reevaluated after the first 3 years of operation and estimated to contain a total of 1.5 million tons remaining, rework part (a).
Using unit of production method and cost recovery method to calculate the depletion charge per year, the values are attached below.
What is Depletion ChargeDepletion charge is a non-cash expense on an income statement that is used to allocate the cost of a natural resource, such as timber or minerals, over its estimated useful life. It is calculated by taking the total cost of the natural resource and dividing it by the estimated number of units that can be extracted from it. The resulting amount is then charged to the income statement as an expense in the year it is incurred.
(a)
a) Using the Units of Production Method:
Year 1: Depletion Charge = (2.5 million tons x $30) x 5% = $37,500
Year 2: Depletion Charge = (2 million tons x $25) x 5% = $25,000
Year 3: Depletion Charge = (1.5 million tons x $35) x 5% = $26,250
Year 4: Depletion Charge = (1 million tons x $35) x 5% = $17,500
Year 5: Depletion Charge = (0.5 million tons x $40) x 5% = $10,000
Total Depletion Charge = $106,250
b) Using the Cost Recovery Method:
Year 1: Depletion Charge = ($1.5 million x 50%) x (60,000/2.5 million) = $18000
Year 2: Depletion Charge = ($1.5 million x 50%) x (50,000/2.5 million) = $15000
Year 3: Depletion Charge = ($1,5 million x 50%) x (58000/2.5 million) =
$17400
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Technician A says that after an accident you should take measures to avoid it in the future. Technician B says that it is okay to block an exit for a shop if you are actively working. Who is correct
Technician A is the correct answer. He is correct in saying that after an accident, you should take precautions to avoid it happening again in the future.
What to do after an accident?First, look for any injuries. If someone is in pain, take care of them.
After that, move your car to a safer location where you can exchange names, addresses, phone numbers, vehicle identification numbers, vehicle license plate numbers, insurance information, and driver's license information.
Finally, take note of the crash site and obtain the names, addresses, and phone numbers of any witnesses. If the vehicles cannot be moved, set up flares or raise your hood to protect the scene.
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A four-stroke diesel engine has a crankshaft gear with 45 teeth. How many teeth should the camshaft gear have if it is direct drive
Answer:
90!
Explanation:
The answer is twice the number of the crankshaft gear. (45 x 2 = 90)
A 6-cm-diameter horizontal water jet having a velocity of 25 m/s strikes a vertical stationary
flat plate. The water splatters in all directions in the plane of the plate. ANALYZE the linear
momentum equation for a fixed control volume to find; the amount of force required to hold
the plate against the water stream? Take the density of water to be 1000 kg/m3
What size THHN feeder conductor is required for (two), single phase, 230 VAC, 7.5 HP motors, and (one) single phase, 115 VAC, 1.5 HP short time motor which is rated for 15-minute duty cycle and (one) single phase, 230 VAC, 0.75 HP motor
The size of the THHN feeder conductor required for two 230 VAC, 7.5 HP motors, one 115 VAC, 1.5 HP short time motor and one 230 VAC, 0.75 HP motor is 3 AWG.
To calculate the size of the THHN feeder conductor, we first need to calculate the total load current for all the motors. To do that, we will use the following formula: I = (HP x 745.7) / (V x 1.73).
For the two 7.5 HP motors, the total load current is (7.5 x 745.7) / (230 x 1.73) = 29.7 A. For the 1.5 HP short-time motor, the total load current is (1.5 x 745.7) / (115 x 1.73) = 8.85 A. For the 0.75 HP motor, the total load current is (0.75 x 745.7) / (230 x 1.73) = 4.41 A.
Adding all the load currents yields a total load current of 42.96 A. Then we can refer to the NEC Table 310.15(B)(16) to determine the minimum THHN feeder conductor size. At 42.96 A, the minimum THHN feeder conductor size is 3 AW.
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The moist Unit Weight of a soil is 116 pounds per cubic foot. The moisture content of this soil is 17% when the degree of Saturation is 60%. Determine: a. Void Ratio b. Specific Gravity of Soil Solids c. Saturated Unit Weight
The moisture content of this soil is 17% when the degree of Saturation is 60%. The void ratio will be 0.44, Specific Gravity of Soil Solids will be 2.66, Saturated Unit Weight = 139.2 pounds per cubic foot.
What is soil?
Soil is the natural material found on the surface of the Earth, consisting of organic matter, minerals, gases, liquids, and organisms, which together support life. It is the foundation of terrestrial ecosystems and provides nutrients for plants, animals, and microorganisms. Soil is essential for food production, land restoration, carbon storage, and land degradation prevention. Soil is made up of a combination of organic and mineral components, with each component having its own unique properties. Organic matter, such as dead plants and animals, is the main source of food for living organisms in the soil. Minerals, such as clay, sand, and silt, provide structure and stability to the soil.
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Determine the velocity of point A on the rim of the gear at the instant shown.
The velocity of point A on the rim of the gear at the instant shown is 39.8°.
What is velocity?Velocity is the directional speed of a moving object as an indication of its rate of change in location as perceived from a specific frame of reference and measured by a specific time standard.
Using the relative velocity equation and the kinematic diagram of the gear illustrated in Fig. a, apply the relative velocity equation to points B and C.
Va = Vc + w x r A/C
Va = 4i + (-3.11k) x ( -1.06i + 2.56j)
Va = 3.9665i + 3.2998j
Equating the i and j components yields and its direction:
[tex]tan^{-1} = \dfrac{3.2998}{3.9665} = 39.8^\circ[/tex]
Therefore, the velocity of point A on the rim of the gear at the instant shown is 39.8°
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A 36-mph wind blows against an outdoor movie screen that is 70 ft wide and 20 ft tall. Estimate the wind force on the screen. Use drag coefficient Cd = 1.15.
Answer:
The wind force on the screen is approximately 5,341.5936 [tex]lb_f[/tex]
Explanation:
The speed of the wind, v = 36 mph
The width of the outdoor movie, w = 70 ft. wide
The height of the outdoor movie, h = 20 ft. tall
The drag coefficient, Cd = 1.15
We have;
[tex]C_d = \dfrac{F}{\dfrac{\rho \cdot v^2 \cdot A}{2} }[/tex]
From which we have;
The wind force, F = 0.00256·[tex]C_d[/tex]·v²·A
Where;
A = The cross sectional area of the rectangular outdoor movie screen, A = w × h
∴ A = 70 ft. × 20 ft. = 1,400 ft.²
The wind force, F = 0.00256 × 1.15 × (36 mph)² × 1,400 ft.² = 5,341.5936 [tex]lb_f[/tex]
The wind force on the screen, F = 5,341.5936 [tex]lb_f[/tex].
The wind force on the outdoor movie screen is;
F = 23437.26 N
We are given;
Wind speed; v = 36 mph = 16.0934 m/s
Width of screen; w = 70 ft = 21.336 m
Height of screen; h = 20 ft = 6.096 m
Drag coefficient; Cd = 1.15
Now formula for the drag force is;
F = ½•C_d•ρ•A•v²
Where;
F is drag force
C_d is drag coefficient
ρ is density of object
v is speed of object
A is area
Let us use density as 1.21 kg/m³
Area; A = wh = (21.336 × 6.096)
Thus;
F = ½ × 1.15 × 1.21 × (21.336 × 6.096) × 16.0934²
F = 23437.26 N
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List, in ascending order, the cutoff frequencies for the first ten modes of a rectangular waveguide, normalized to the cutoff frequency of the TE10 mode. (That is, for each mode, you will be calculating the cutoff frequency of that mode divided by the cutoff frequency of the TE10 mode.) Assume that a = 2b. Give numerical values for the normalized cutoff frequencies and clearly indentify the mode number and type (TM or TE) for each mode. (Note that some modes may have the same cutoff frequency.)
Answer:
Fcte10 < Fcte01 = Fcte0 < Fctm11 < Fcte21 = Fctm21 < Fcte12 = Fctm12 < Fcte22
Explanation:
Assuming a = 2b
Attached below is the required steps to the solution
The cutoff frequencies for the first ten modes of a rectangular waveguide listed in ascending order is :
Fcte10 < Fcte01 = Fcte0 < Fctm11 < Fcte21 = Fctm21 < Fcte12 = Fctm12 < Fcte22
Answer:
Fcte10 < Fcte01 = Fcte0 < Fctm11 < Fcte21 = Fctm21 < Fcte12 = Fctm12 < Fcte22
Explanation:
Assuming a = 2b
Attached below is the required steps to the solution
The cutoff frequencies for the first ten modes of a rectangular waveguide listed in ascending order is :
Fcte10 < Fcte01 = Fcte0 < Fctm11 < Fcte21 = Fctm21 < Fcte12 = Fctm12 < Fcte22