The way that light refracts is the same as how a wave would refract. The way that light diffracts is the same as how a wave would. Similar to how interference occurs in waves, it also occurs in light.
What evidence does light's diffraction provide that it behaves like a wave?Light will shift directions as it travels from one medium, like the air, to another, like the ocean. Light behaves in a similar manner to other waves, like sound waves.
How does the phenomenon of diffraction affect how light behaves as a wave?The bending and spreading of waves around a barrier is known as diffraction. Because you can bend and block out specific light waves, it has to do with how light behaves as a wave.
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Any change in SPEED or DIRECTION is referred to as _____
Answer:
Acceleration
Explanation:
I just know trust me I have this answer (sorry if I out ice) and I got it right
Answer: I would say the answer to this question is Acceleration
Explanation:
A vibrating object produces 120 vibrations in 4 seconds. what is the frequency of the object?
The frequency of the object, given that it produces 120 vibrations in 4 seconds is 30 Hertz
How do I determine the frequency of the object?
Frequency is defined as the number of complete oscillations made in 1 second. This is illustrated by the following formula:
Frequency (f) = Number of oscillation (n) / time (s)
From the question given above, the following data were obtained:
Number of vibrations (n) = 120 vibrationsTime (t) = 4 secondsFrequency (f) = ?The frequency can be obtained as follow:
Frequency (f) = Number of oscillation (n) / time (s)
Frequency (f) = 120 / 4
Frequency = 30 Hertz
Thus, we can conclude, the frequency is 30 Hertz
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The momentum of a car traveling in a straight line at 20 m/sec is 24,500 kg times m/sec. What is the cars mass?
To solve for the mass, use and derive the following formula for the momentum problem:
p = mv
m = p / v
where:
m is the mass if the object
p is the momentum (24,500 kg•m/s.)
v is the velocity of the object (20 m/s.)
Solution:m = p / v
m = 24, 500 kg•m/s ÷ 20 m/s
m = 1225 kg.
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If natural gas were to be our primary way for generating electricity, what effect would this have on individuals and the environment?
If natural gas were to be our primary way for generating electricity, it would have both positive and negative effects on individuals and the environment.
One of the positive effects is that natural gas is a cleaner-burning fossil fuel compared to coal and oil. It emits less greenhouse gases and pollutants, which can result in improved air quality and human health benefits. Additionally, natural gas is abundant and domestically produced, which can lead to greater energy independence and reduced reliance on foreign oil.
However, there are also negative effects of using natural gas as the primary source of electricity. One of the biggest concerns is the environmental impact of hydraulic fracturing or fracking, which is a common method of extracting natural gas from the ground. Fracking can lead to water contamination, air pollution, and other environmental risks. Additionally, natural gas is still a fossil fuel, which means that it is a non-renewable resource and will eventually run out.
Furthermore, relying on natural gas for electricity generation can also have negative impacts on individuals in terms of energy costs. While natural gas prices have been relatively low in recent years, they can still be subject to price fluctuations, which can result in higher energy bills for consumers. Additionally, natural gas pipelines and infrastructure can be prone to leaks and explosions, which can pose safety risks for nearby communities.
In conclusion, while natural gas can offer some benefits as a primary way for generating electricity, it is important to weigh the potential negative effects on individuals and the environment. Alternative sources of energy such as renewable resources should also be considered to promote a more sustainable and environmentally-friendly energy future.
A wheel that has a radius of 70 cm rotates are 5 radians per Second, what is the velocity of the edge of the wheel in Meters per second
Answer:Radius =70cm
Distance covered in one rotation = circumference of wheel =2πr
=2×
7
22
×70
=440cm
Distance covered in 300 rotation =300×440
=132000=
100000
132000
=1.32km
Given that distance of 1.32km is covered in 5 minutes or
60
5
hour.
Therefore,
Speed of cycle =
time
distance
=
(
60
5
)
1.32
=
5
1.32×60
=15.84km/hr
Explanation:
Question 1: Explain why increasing the temperature of a gas in a closed, rigid container causes the pressure in the container to increase.
Question 2: A gas barbecue grill uses propane gas. The propane is stored in a rigid tank. What happens to the pressure of the propane when the tank is left outside on a very hot summer day versus a cold day? In this question you need to talk about the kinetic energy of the gas particles as the temperature changes. Think about how this influences the pressure inside of the tank
1. The increase in kinetic energy results in the molecules of gas striking the walls of the container with more force, resulting in greater pressure.
2. The pressure of the propane inside the rigid tank will increase as the temperature of the tank increases on a hot summer day, and decrease as the temperature of the tank decreases on a cold day.
Kinetic energy is the energy an object possesses due to its motion. In physics, it is defined as the energy that an object possesses due to its motion, and it is dependent on the mass and velocity of the object. The formula for kinetic energy is KE = 1/2mv², where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.
Kinetic energy is a scalar quantity, meaning that it has only magnitude and no direction. It is a fundamental concept in physics, and it is used to describe many phenomena, including the motion of particles, the motion of objects, and the conversion of energy between different forms. The kinetic energy of an object can be transformed into other forms of energy, such as potential energy or thermal energy, through various processes.
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What is the answer to this assignment?
The vertical component of the force vector 42 N is 7.29 N and the that of the vector B is 26 N. Then the resultant vector is 18.71 N. The equilibrant is the same but opposite in direction ie., - 18.71.
What are vectors ?Vectors are physical quantities having both magnitude and direction. The quantities with magnitude only are called scalar quantities. Force, work done, displacement , momentum etc are vector quantities.
The resultant of two vectors depends on their magnitude and direction. The given two vectors A and B are in opposite directions. Hence, the resultant vector will be their difference in magnitude.
Vertical component of vector A = 42 cos 80 = 7.29 N
component of vector B = 34 cos 40 = 26 N.
Then, resultant vector = 26 N - 7.29 N = 18.71 N
equilibrant = - 18.7 N.
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You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1. 70×107 m and its rotation period to be 22. 3 hours. You have previously determined that the planet orbits 2. 70×1011 m from its star with a period of 402 earth days. Once on the surface you find that the free-fall acceleration is 12. 5 m/s2.
A) What is the mass of the planet?
B) What is the mass of the star?
The mass of the planet is 3.40 x 10^24 kg. and the mass of the star is 6.50 x 10^30 kg.
A). g = GM/r^2
We can rearrange this equation to solve for the mass of the planet:
M = gr^2/G
Plugging in the given values, we get:
M = (12.5 m/s^2) x (1.70 x 10^7 m)^2 / 6.67 x 10^-11 Nm^2/kg^2
M = 3.40 x 10^24 kg
B). T^2 = (4π^2/G(M+m)) x a^3
M = (4π^2/G) x a^3 / T^2 - m
Plugging in the given values, we get:
M = (4π^2/6.67 x 10^-11 Nm^2/kg^2) x (2.70 x 10^11 m)^3 / (402 earth days)^2 - 3.40 x 10^24 kg
M = 6.50 x 10^30 kg
The solar system is a system consisting of the Sun, eight planets, dwarf planets, moons, asteroids, comets, and other celestial bodies that are bound together by gravity. The system is located in the Milky Way galaxy, about 25,000 light-years away from the galactic center. The Sun is at the center of the solar system, and the planets orbit around it in elliptical paths.
The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The dwarf planets include Pluto, Ceres, Haumea, Makemake, and Eris. Moons orbit around the planets and asteroids and comets travel in their own paths throughout the solar system. The study of the solar system involves understanding the physical and chemical processes that occur on and within these celestial bodies, as well as their formation and evolution over time.
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you push a food tray 1.5m along a cafeteria table with a constant force of 18 N. how much work do you do ?
Answer:
27J
Explanation:
Work done =force×distance
Therefore
Work done =18×1.5
Work done =27J
When a strip of zinc metal is added to a test tube of hydrochloric acid, the liquid forms bubbles, and the test tube feels hot. The bubbles are a result of the formation of hydrogen gas. What does the hot test tube indicate?
The process produces heat.Hydrochloric acid generates bubbles when a strip containing zinc metal is introduced to the test tube, and the tube gets warm.The hydrogen gas forms, which causes the bubbles.The reaction then produces heat.
What happens when you combine hydrochloric acid with a sliver of zinc metal?Hydrogen gas and zinc chloride are produced quickly by the reaction of zinc with hydrochloric acid.In a single displacement reaction, zinc metal displaces hydrogen to produce zinc chloride and hydrogen gas.Zn (s)+2HCl(aq) ZnCl2(aq)+H2 is an exothermic process that produces a lot of heat (g).
What is the name of the process when zinc and hydrochloric react?Reason: Zn+2HCl ZnCl2 + H2 is the result of the interaction involving zinc and hydrochloric acid.Single replacement reaction is the name given to this process in which zinc metal replaces hydrogen to produce salts of zinc chloride and hydrogen gas.
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Next >
On a transformer with a turn ratio of 72:1, if the power on the primary side is 2 MW, what
is the power on the secondary side?
answer choices:
36 W
2 MW
27.8 MW
36 MW
Answer:
Explanation:
The power on the primary side of a transformer is equal to the power on the secondary side, neglecting losses. This is because power is conserved in a transformer.
Therefore, if the power on the primary side is 2 MW, then the power on the secondary side will also be 2 MW.
So, the correct answer is: 2 MW.
A flat coil of wire is placed in a uniform magnetic field that is in the y direction. (i) The magnetic flux through the coil is a maximum if the plane of the coil is where? (Select all that apply. ) in the xy plane in the yz plane in the xz plane in any orientation, because it is a constant (ii) For what orientation is the flux zero? (Select all that apply. ) in the xy plane in the yz plane in the xz plane in any orientation, because it is a constant
Due to theta's value of 90, flux in the x, y, and z planes will actually be zero. As long as the loop stays within the xz plane, which is parallel to the y axis that provides the most area again for passage of a magnetic field,
Flow = BA cos(theta) It will be at its highest if theta is zero and zero is ninety degrees.
The largest region for a magnetic field to flow through during a loop is situated in the xz plane, where theta is 90, is where flux will be zero in the xy plane and the yz plane.
Flow = BA cos(theta) It will be at its highest if theta is zero and zero is ninety degrees. In this situation, theta is 90, hence flux will indeed be 0 in the x, y, and z planes.
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Cory is driving west in a straight line. After driving for 1.7kilometers, he turns north and drives for 4.3 km. At the end of his drive, what is the magnitude of his displacement vector?
a.3.4 km
b.5.1 km
c.6.0 km
d.4.6 km
Cory's displacement vector has a magnitude of 4.62 km, which is the closest to the 4.6 km value.
What is a displacement vector's magnitude?The length of the arrow is a symbol for the displacement vector's magnitude, which represents the distance between the locations. The arrow's direction corresponds to the displacement vector's direction.
What is the displacement magnitude formula?d = 3 m + 5 m + 6 m = 14 m is the total distance travelled. Visualizing the walking makes it possible to determine the displacement's size. The real distance between A and B is 3 metres, followed by 5 metres from B to D and 6 metres from D to E. |S| =√92+52 = 10.29 m.
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PLEASE HELP ASAP PHYSICS
The speed of the wave is 4 m/s.
option A.
What is the speed of a wave?
The speed of a wave depends on the type of wave and the medium through which it is traveling. In general, the speed of a wave can be calculated by multiplying the wavelength of the wave by its frequency.
In a vacuum, electromagnetic waves (such as light) travel at a constant speed of approximately 299,792,458 meters per second, which is commonly referred to as the speed of light.
For this given question, if the wave oscillates 4 times per second, then the speed is 4 m/s.
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A spaceship traveling at 0. 5 relative to Earth is 45 m long as measured by its crew. How long is the spaceship as measured by the mission control in Texas?
The spaceship appears to be 38.97 meters long as measured by the mission control in Texas.
This is a problem involving length contraction, which is a consequence of Einstein's theory of special relativity. According to special relativity, an object in motion appears to be shorter in the direction of motion as measured by an observer at rest relative to the object.
The formula for length contraction is:
L' = L / γ
γ is the Lorentz factor, given by:
γ = 1 / sqrt(1 - v^2/c^2)
In this problem, the spaceship is traveling at a velocity of 0.5c relative to Earth. Therefore, the Lorentz factor is:
γ = 1 / sqrt(1 - (0.5c)^2/c^2) = 1 / sqrt(1 - 0.25) = 1.1547
The proper length of the spaceship is 45 m, as measured by the crew on the spaceship. Therefore, the observed length of the spaceship, as measured by mission control in Texas, is:
L' = L / γ = 45 m / 1.1547 = 38.97 m (rounded to two decimal places)
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A new landowner has a triangular piece of flat land she wishes to fence. Starting at the west corner, she measures the first side to be 80. 0 m long and the next to be 105 m. These sides are represented as displacement vectors a from b. She then correctly calculates the length and orientation of the third side c. What is her result?
The length of the third side of the triangular piece of land is approximately 125.7 m, and the angle between the first and third side is approximately 79.4° .
To find the length and orientation of the third side c, we can use the law of cosines, which states:
c² = a² + b² - 2ab cos(C)
where c is the length of the third side, a and b are the lengths of the first two sides, and C is the angle between sides a and b.
To find the angle C, we can use the law of sines, which states:
sin(C) / c = sin(A) / a = sin(B) / b
where A and B are the angles opposite sides a and b, respectively.
We can use the given measurements to calculate the values of a, b, and A:
a = 80.0 m
b = 105 m
To find angle A, we can use the law of cosines:
A = cos^-1[(b² + c² - a²) / (2bc)]
Since the angle between sides a and b is the same as the angle between sides b and c, we can use the same value for angle A and angle C. Therefore:
C = cos^-1[(a² + b² - c²) / (2ab)]
We can rearrange the law of sines to solve for c:
c = (a sin(C)) / sin(A)
Substituting the values we have calculated:
A = cos^-1[(105² + c² - 80²) / (2 x 105 x c)]
C = cos^-1[(80² + 105² - c²) / (2 x 80 x 105)]
c = (80 sin(C)) / sin(A)
Using a calculator, we get:
A ≈ 38.4°
C ≈ 79.4°
c ≈ 125.7 m
Therefore, the length of the third side and the angle between the first and third side is calulated to be 79.4° and 125.7 m (approx.)
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Why is 37 degrees the optimum temperature for e coli growth
E. coli has adapted to grow best at the optimum temperature range most conducive to its optimal enzymatic activity and metabolic processes, allowing for efficient and rapid growth in the human body.
37 degrees celsius is the most appropriate temperature for e. Coli boom due to the fact it's miles the temperature at which e. Coli can successfully carry out its metabolic tactics, which include protein synthesis, DNA replication, and mobile division.
E. Coli is a mesophilic bacterium, which means that it prospers at moderate temperatures commonly found inside the human frame (around 37°c). At decreased temperatures, inclusive of the ones located in refrigeration (4°c), e. Coli boom is slowed, and at better temperatures, such as those found in fever (above 40°c), e. Coli boom is inhibited or may even die.
The cause why e. Coli can develop and divide maximum efficiently at 37°c due to the specific enzymatic and metabolic pathways it possesses. Enzymes are organic catalysts that facilitate the chemical reactions important for existing processes. The enzymes in e. Coli functions optimally at this temperature variety, making an allowance for efficient nutrient uptake, electricity production, and cellular replication.
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Missy Diwater, the former platform diver for the Ringling Brothers' Circus had a kinetic energy of 13,700J just prior to hitting the bucket of water. If Missy's mass is 55kg, then what was her velocity at that moment?
The velocity of Missy, given that she has a kinetic energy of 13700 J and a mass of 55 Kg is 22.32 m/s
How do i determine the velocity?Kinetic energy is defined mathematically as
KE = ½mv²
Where
KE is the kinetic energym is the massv is the velocityThe following data were obtained from the question:
Kinetic energy of Missy (KE) = 13700 JMass of missy (m) = 55 KgVelocity of missy (v) = ?The velocity of missy can be obtained as follow:
KE = ½mv²
13700 = ½ × 55 × v²
13700 = 27.5 × v²
Divide both side by 27.5
v² = 13700 / 27.5
Take the square root of both side
v = √(13700 / 27.5)
v = 22.32 m/s
Thus, the velocity is 22.32 m/s
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A circuit is built based on this circuit diagram. A diagram of a closed circuit with a power source on the left labeled 12 V. There are 3 resistors in parallel, separate paths, connected to it labeled 3.0 Ohms, 6.0 Ohms and 9.0 Ohms. What is the equivalent resistance of the circuit? 0.61 Ω 1.6 Ω 7.5 Ω 18 Ω
The parallel circuit containing three resistors' equivalent resistance is thus found to be 1.64 ohms.
To what end are ohms put?The electrical resistance measured in Ohms is a measure of a conductor's ability to create a current of one amp when a voltage of one volt is applied across its terminals.
What does ohm mean?Ohm defines the "1 Ohm" measure of resistance as the distance between two places in a wire where 1 volt would push 1 amp, or 6.241 1018 electrons, when applied. Greek letter "," sometimes known as omega and pronounced "ohm," is typically used to denote this value in schematics.
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Answer:
B or 1.6
Explanation:
Can someone help please
[tex]a \: pathogen \: is \: a \\ \: micro - organism \: that \: can \: cause \\ disease[/tex]
#a is the answer
hope it's helpful to you
If an object with a charge of 0.08 C experiences an electric force of 5.0 what is the electric field strength ?
Please show your work this is due today. Giving out brainliest.
Answer:
The electric field strength 62.5 N/C.
Explanation:
The electric force (F) on an object with charge q in an electric field with strength E can be calculated using the formula:
F = qE
Rearranging this formula, we can solve for the electric field strength:
E = F / q
In this case, the object has a charge of q = 0.08 C and experiences an electric force of F = 5.0 N. Substituting these values into the formula, we get:
E = 5.0 N / 0.08 C
E = 62.5 N/C
So, the electric field strength is 62.5 N/C.
In a place where refrigeration is not possible a person attempts to keep a bottom cool by using
the procedure ustrated in Fo.72
damp cloth
bottle
mik
bowl
water
Fig. 7.2
Explain in terms of molecules why this procedure would be success
Here, the water in the wet cloth evaporates and make the heat also evaporated and keep the container of milk cool and devoid of microbes.
What is refrigeration ?Refrigeration is the process of keeping materials in freezing point temperature and the ultimate cooling prevent the microbes attacking the food materials.
If refrigeration is not possible in a place, we can keep a material cool by placing it in a bowl of water as seen in the image and the container must be closed by a wet damp cloth.
Here, when the milk bottle is placed in the water bowl and closed by the cloth , water tends to evaporate through the cloth for which heat energy is needed. So it takes away the heat inside by evaporation and keeps the container and material inside cooler.
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An asphalt paving crew is used to pave a road 8,000 feet long. The road is 48 feet wide and the paving machine can pave a 12-foot-wide strip of road during each pass. The machine paves 13 lineal feet of 12-foot-wide road per minute. Two lifts of asphalt are needed to pave the road. After completing a pass, it takes the crew 15 minutes to turn the paving machine around and get ready for the next pass. The crew consists of a foreperson, seven operators, and a laborer. Using a system efficiency of 45 minutes per hour, determine the number of labor hours required to place 1 lineal foot of road 12 feet wide
Asphalt workers help to pour, smooth, and set asphalt on roads, paths, and parking lots.
What is an asphalt spreader called?An asphalt pavement is made up of several layers of asphalt. Asphalt layers are typically laid on either a bound or unbound road foundation layer. The first layer, beginning at the road surface, is known as the surface course. The second layer is commonly referred to as the binder course.
The base courses are the bottom tiers. A paver (also known as a road paver finisher, asphalt finisher, or road paving machine) is a type of construction equipment that is used to build asphalt concrete or Portland cement concrete on roads, bridges, parking lots, and other similar locations. It flattens the material and produces light compaction.
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Which term refers to a variable that is dependent on another variable during an experiment
The term that refers to a variable that is dependent on another variable during an experiment is called a dependent variable.
A dependent variable is a variable that transitions as a consequence of the independent variable manipulation. It's the effect you're inquisitive in estimating, and it "depends" on your independent variable. The dependent variable is what you document after you've used the independent variable. The dependent variable depends on other importance. The dependent variable is calculated during the experiment.
The dependent variable has the capacity to operationalize; this can be accomplished by discerning the response of the dependent variable and measuring it.
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A closed circuit containing THREE of the same type of resistors has a current of 2 amps and TWO 9V batteries. How much resistance does EACH resistor have, in ohms?
The amount of resistance that each resistor has, in this closed circuit, given the batteries is 3 ohms.
How to find the resistance ?In a closed circuit, the total resistance (R_total) is equal to the sum of the individual resistances. We can use Ohm's law to solve for the resistance of each resistor:
Resistance (R) = Voltage (V) / Current (I)
Using Ohm's law, we can solve for the total resistance (R_total) of the circuit:
= V_total / I
= 18V / 2A
= 9 ohms
Since there are three identical resistors in the circuit, we can divide the total resistance by 3 to find the resistance of each resistor:
= 9 / 3
= 3 ohms
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Observing and blank are on opposite ends of the secretary function
Observing and controlling are on opposite ends of the secretary function.
The secretary function is a model used in organizational behavior to describe the process of selecting the best candidate from a pool of applicants. The model assumes that a decision-maker must choose from a fixed number of candidates in random order, without being able to go back and reconsider candidates that have been passed over. The decision-maker can either accept or reject each candidate, but once a candidate is rejected, they cannot be reconsidered.
In this context, "observing" refers to a decision-making style where the decision-maker takes a passive role and simply observes the candidates as they come, without intervening or taking any action. "Controlling," on the other hand, refers to a decision-making style where the decision-maker takes an active role and tries to control the outcome by setting a high threshold for acceptance and rejecting candidates who do not meet that threshold.
Therefore, observing and controlling are on opposite ends of the secretary function, representing two different decision-making styles that can be used when selecting the best candidate from a pool of applicants.
why is it important to consider the transfer of energy when building a house
While building a house, it's crucial to take energy transmission into account because homes lose a lot of thermal energy. Radiation, conduction, and convection are three ways they can lose energy.
Why is heat transmission critical in structures?Buildings must consider heat transfer while designing the fabric of the structure as well as the passive and active systems required to provide the desired thermal conditions with the least amount of resource use.
What alters the way heat moves through buildings?The three most crucial variables are temperature, moisture content, and density. Thickness, air velocity, pressing, and ageing time are further considerations. The correlation between the key variables and thermal conductivity is shown.
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how do you determine if something is physical or chemical
We can determine whether a change is physical or chemical by analyzing the what type of change is occurred. The change in color or formation of new product is a chemical change.
What is a chemical change ?A chemical change is a type of change which include the breaking or making of chemical bonds and the formation of new products which has properties different from the initial substances.
Phase changes, change in size, shape, dissolving, conductivity etc. are physical changes. They do not involve any change in chemical bonds or the formation of new product.
The change in color indicates the formation of a new product. All the chemical reactions like the corrosion of metals reaction of metals with acids or water etc . are all chemical changes.
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Two charged spheres are sitting 1m apart. The left sphere has a charge of 2 C, the
right has a charge of -3C. What is the force between the spheres?
The force between the charged spheres is -5.4 x 10¹⁰ N.
option D.
What is the force between the two charges?The force between two charged spheres can be calculated using Coulomb's law, which states that the force between two point charges is proportional to the product of their charges and inversely proportional to the square of the distance between them.
The formula for Coulomb's law is:
F = kq1q2/d^2
where;
F is the force between the charges, q1 and q2 are the charges of the two spheres, d is the distance between them, and k is the Coulomb constant.The value of the Coulomb constant is 8.98755 × 10^9 N·m^2/C^2.
Plugging in the values given in the problem, we get:
F = (8.98755 × 10^9) * (2 C) * (-3 C) / (1 m)^2
Simplifying this expression gives:
F ≈ -5.4 x 10¹⁰
Therefore, the force between the spheres is -5.4 x 10¹⁰ N, which means that the spheres are being pulled towards each other. The negative sign indicates that the force is attractive due to the opposite charges on the spheres.
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Cavendish did his experiment using lead balls. Suppose he had used equal masses of copper instead.
Would his value of G be the same or different? Explain.
Answer:
The value of G is constant (does not depend on masses M1 and M2)
However, F (force) would be smaller and harder to measure
The gravitational constant is proportional to mass and not density