There are three stable atoms of Argon (Atomic Number 18): Argon-36, Argon-38 and Argon-40. What would the atoms of these isotopes have in common? What would be different about their atoms?


please answer ASAP. It's for a test. ​

Answers

Answer 1

While the three stable isotopes of Argon share the same number of protons and electrons, they differ in their atomic masses due to varying numbers of neutrons.

This means they have identical electron configurations and chemical properties. Additionally, they all have the same number of electrons, 18, which determines their chemical behavior and bonding capabilities.

However, the isotopes differ in their neutron numbers, which gives rise to their atomic masses. Argon-36 has 18 protons and 18 neutrons, Argon-38 has 18 protons and 20 neutrons, and Argon-40 has 18 protons and 22 neutrons.

This variation in neutron count leads to differences in atomic mass. Consequently, the isotopes exhibit different atomic weights, with Argon-36 having a mass of approximately 36 atomic mass units (amu), Argon-38 around 38 amu, and Argon-40 approximately 40 amu.The differing atomic masses affect the isotopes' physical properties.

For instance, the isotopes may have different boiling points, melting points, or densities due to variations in the average mass of their atoms. These subtle differences are relevant in scientific research, especially in fields like geochronology and radiometric dating, where the abundance ratios of these isotopes are utilized to determine the age of rocks and minerals.

In summary,  These differences give rise to variations in their atomic weights and physical properties.

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Related Questions

Lily is moving a ladder to a different spot. She lifts the 2000 newton ladder above her
head at a distance of 8 meters. What are the joules of work being put out?
Pls helpp!!

Answers

Answer:

To calculate the work being done by Lily, we need to use the formula:

Work = Force x Distance x cos(theta)

where:

Force = 2000 N (the force required to lift the ladder)

Distance = 8 m (the distance Lily lifts the ladder)

theta = 0 degrees (since Lily is lifting the ladder straight up, the angle between the force and the direction of motion is 0 degrees)

So, the work done by Lily is:

Work = 2000 N x 8 m x cos(0)

Work = 16000 joules

Therefore, the joules of work being put out by Lily when she lifts the 2000 N ladder above her head at a distance of 8 meters is 16000 joules.

Explanation:

malia is interested in observing cognitive development in children and wants to design a study that will allow her to observe small changes in how 6 year olds learn to solve problems. she plans to collect data from each child every week for three months
which design is her best choice

Answers

To study the small changes in 6 year old child to solve problems, the appropriate method of design is microgentic.

What is microgentic design ?

A scientific approach known as microgenetic design, sometimes known as the microgentic method, iterative search studying the same environment to examine change in great detail.

Microgenetic designs offer a detailed examination of the behavior of the system while it is changing, in contrast to cross-sectional and longitudinal designs, which only offer broad strokes of the process of change.

The approach is applicable to any system human or otherwise whose behavior varies over time and where it may be interesting or necessary to investigate the specifics of these changes, even though it is frequently linked with developmental psychology.

This includes adult settings as well. Heinz Werner's description of a "genetic approach" in the early 20th century appears to be when the term "microgenetic" first appeared.

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A velocity vs. time graph is shown.
Velocity (m/s)
20
16
12
8
4
0
0
Velocity vs Time
1
2
3
Time (s)
4
5
What is the acceleration of the object?
0 m/s²
* 0.25 m/s²2
4 m/s²
8 m/s²

Answers

The acceleration of the object is - 4 m/s².

What is the acceleration of an object?

The acceleration of an object is the measure of change of velocity with change in time of motion.

Mathematically, the formula for acceleration is given as;

a = Δv / Δt

a = ( v₂ - v₁ ) / ( t₂ - t₁ )

where;

v₂ is the final velocityv₁ is the initial velocityt₂ is the final time of motiont₁ is the initial time

From the data given, we have;

velocity (m/s)                     time ( s )

20                                         1

16                                          2

12                                          3

8                                            4

4                                            5

a = ( 16 - 20 ) / ( 2  - 1 )

a = - 4 m/s²

                 

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A body that moves with constant speed while moving in a circle
A. has a resultant torque acting on it
B. undergoes no change in velocity
C. has no work done on it
D. experiences no acceleration

Answers

Answer: B

Explanation:

B. undergoes no change in velocity.

The speed of an object that is moving in a circle with constant speed remains constant. This means that the object is not speeding up or slowing down, and therefore it does not experience any change in velocity.

answer: its B y’all

7. A skydiver has dropped out of the airplane and has just deployed their parachute. They notice that they are
moving at an acceleration of 2 ms. They also know that their mass is 80 kg. What is their force?
10N to the right, what is their force

Answers

Answer:

160 N

Step by step explanation:

To calculate the force experienced by the skydiver, we can use the formula:

Force = Mass x Acceleration

Given that the acceleration of the skydiver is 2 m/s² and their mass is 80 kg, we can substitute these values into the formula:

Force = 80 kg x 2 m/s² = 160 N

Therefore, the force experienced by the skydiver is 160 Newtons.

If the skydiver is experiencing a force of 10 Newtons to the right, we cannot directly determine their acceleration without more information about their motion. However, we can say that the net force acting on the skydiver is not zero, and therefore the skydiver is experiencing an unbalanced force. This means that the skydiver's velocity is changing, either in magnitude or direction or both.

if you looked through a spectroscope and saw light with a wavelength of 450nm, what color would you see? How would its energy and frequency compare to red light?

Please thoroughly explain!

Answers

You would see blue-violet hue if you peered throughout a spectroscope and observed light that had a wavelength of 450 nm.

Does energy have a wavelength?

Wavelength or frequency are connected to energy in the same way as they are to light. More energy is correlated with shorter wavelengths and higher frequencies. Hence, lower energy is produced by longer wavelengths and lower frequencies.

How are wavelengths determined?

By measuring overall distances between two identical locations on adjacent waves, the duration can always be found. For determining the wavelength of a waveguide, the distance from one compress to the next or from one rarefaction to another is measured.

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For this lab activity, we used materials that deformed relatively easily under a force. But many materials are very rigid unless acted on by a large force (or stress). What methods of investigation might you use to investigate the Young's moduli of such materials? Select all that apply.

1.) Apply significantly larger forces so that deformation is more easily measured with devices like a meter stick or measuring tape.
2.) Find a material that feels very similar to the touch but is more easily deformed. Determine the modulus of this other material and use it to estimate the modulus for the material we want.
3.) Use more precise measuring tools to detect extremely small deformations of rigid materials.
4.) Create a sample of the material that has a very large cross-sectional area so that deformations are more easily induced by a given force.
5.) Create a sample of the material that is very short to increase the strain response of the material to deformation.
6.) Create a sample of the material that is very long to increase the strain response of the material to deformation.

Answers

Answer:

1.) Apply significantly larger forces so that deformation is more easily measured with devices like a meter stick or measuring tape.

3.) Use more precise measuring tools to detect extremely small deformations of rigid materials.

4.) Create a sample of the material that has a very large cross-sectional area so that deformations are more easily induced by a given force.

Explanation:

1. What is the wave speed of a wave that has a frequency of 1500 Hz and a wavelength of 0.50 m?

Answers

Answer:

750m/s

Explanation:

v = fλ = (1500 Hz)(0.5 m) = 750m/s

Answer:

0.5 m and 1500 Hz divided by 750 m/s equals 750 m/s.

Explanation:

Brainliest pls!

The muffler on a car rusts out and the decibel level of increases from 91 dB to 113 dB. How many times louder is the leaky muffler?

Answers

Because of the logarithmic nature of the dB scale, a 10 dB gain in sound  in a ten-fold rise in sound pressure; for example, 100 dB is ten times louder than 90 dB, and 110 dB is one hundred times louder than 90 dB.

Why does sound pressure exist?

The quantity of air pressure variation that a noise source produces is known as sound pressure. Sound pressure is what we "hear" or interpret as loudness. The surface of the drum in our sample moves just a very small distance when it is struck extremely softly, producing minor pressure fluctuations and just a faint sound.

How loud is it, in decibels?

Sound levels are measured using decibels (dB). The sound of a running motorcycle engine is around 95 dB louder than normal conversation, which is about 60 dB louder than just a whisper. Long-term exposure to noise levels above 70 dB may cause damage to your hearing. Loud noise that is over 120 dB can instantly harm your ears.

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A force Fy shown in the figure below acts on a particle moving along the y axis. Each unit on the
y(m)
axis equals 2.00 m and each unit on the
Fy(N) axis
equals 2.00 N. Determine the work done on the particle by this force as it moves from the following initial to final positions.
WebAssign Plot
(a) from y = A to y = B
J

(b) from y = B to y = C
J

(c) from y = A to y = C
J

Answers

Graph of area under force vs displacement shows work done. Thus A. is 30J, B. is -12J, C. 18J.

What is work done?

Amount of energy required for the displacement of an object at certain distance, is called work done.

Given,

along y(m) axis, each unit is 2m.

along Fy(N) axis, each unit is 2N.

A. Distance between y = A to y = B

W(AB) = 1/2×base×height

W(AB) = 1/2×10m×6N

W(AB) = 30J

B. Distance between y = B to y = C

W(BC) = 1/2×base×height

W(BC) = 1/2×6m×-4N

W(BC) = -12J

C. Distance between y = A to y = C

W(AC) =  W(AB)+W(BC)

W(AC) = 30J+(-12J)

W(AC) = 18J.

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The question is incomplete, but most probably the complete question is, attached in image:

If 2 particles are in phase that means they have the exact same pattern of _______________.

Answers

Answer:the shape

Explanation:

Answer:

oscillation

Explanation: If two particles having the same phase it must either two consecutive troughs or two consecutive crests.

Assertion : A 25W bulb glows brighter than 50W bulb when both are connected in series to a
potential difference of 220V.
Reason : The potential difference across the 25W bulb is more than a 50W bulb in a series
combination.

Answers

The 25-watt bulb, with a higher resistance, are becoming brighter because the same current will be flowing both through bulbs in series, despite their being connected in series.

A watt of electricity is what?

In order to honor James Watt, as creator of the steam engine, electricity is expressed as units of force called Watts. One amperage under the pressure with one volt is equal to one watt of electrical power.

12 volts equals how many watts?

The amount of Amps is multiplied by the battery voltage to determine Wh. As an illustration, a 12V100 (12 volt cell with a 100 Ah capacity) has a potential ( 12 x 100 Equals 1200 Wh.

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An astronomer wants to calculate the magnitude of gravitational acceleration at the surface of a newly discovered exoplanet (an exoplanet is a planet orbiting a star other than our sun). The astronomer has estimated the mass of the exoplanet to be 1.01 times the mass of Earth, and the radius of the planet to be 0.99 times the radius of Earth.

Answers

The magnitude of gravitational acceleration at the surface of a newly discovered exoplanet, having the mass to be 1.01 times the mass of Earth, and the radius of the planet to be 0.99 times the radius of Earth is 10.06 m/s².

What is gravitational acceleration?

The acceleration that an object experiences when gravity is the only force acting on it is known as gravitational acceleration.

In an empty space, all bodies accelerate at the same rate, regardless of their masses or compositions. This means that any two objects falling from the same height would always hit the ground at the same time if there was no air friction.

Depending on altitude, latitude, and longitude, this free-fall acceleration can range from 9.764 to 9.834 m/s² over the surface of the Earth. However, the accepted standard value is 9.80665 m/s². Gravity anomalies are the regions where this value dramatically varies.

According to the formula,

g = [tex]\frac{GM}{R^{2} }[/tex]

where,

g is gravitational acceleration

G is gravitational constant,

M is mass of planet and,

R is the radius of the planet.

G = 6.67 × 10⁻¹¹

M = 1.01 × 6 × 10²⁴ kg

R = 0.99 × 6.4 × 10⁶ m

substituting the values and solving for g,

g = 10.06 m/s²

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what are the two ways that spent fuel can be stored?

Answers

Answer:

pent fuel can be stored in two ways - either in pools at individual reactor sites or in dry casks at independent spent fuel storage facilities. Pools are large, water-filled containers in which nuclear reactor fuel is stored while it is not being used. Dry casks are heavy steel containers, or canisters, which are designed to store spent nuclear fuel safely and securely. Moving spent fuel to dry casks reduces the risks of a radiation release. [1] Currently, most spent nuclear fuel is safely stored in specially designed pools at individual reactor sites around the country. [2] All spent fuel should be transferred from wet to dry storage within five years of discharge from the reactor core. [3] 400,000 tons of spent nuclear fuel is stored at hundreds of sites across dozens of countries

Explanation:

Answer:

Spent fuel pools and dry cask storage

Explanation:

The spent-fuel-pool approach involves storing spent fuel assemblies in large pools of water that cool the assemblies and provide shielding from the radiation.

You drive north on a straight-two lane road at constant 88km/h. A truck in the other lane approaches you at a constant 104km/h. Find (a) the truck's velocity relative to you and (b) your velocity relative to the truck. (c) How do the relative velocities ties changes after you and the truck pass each other?

Answers

If you drive to the north with a velocity of 88km/hr and in the other lane  A truck approaches you at a constant velocity of 104km/h, (A) the truck's velocity relative to you (Vty) is -192km/h.(B) your velocity relative to the truck (Vyt) is 192km/h. (C) The relative velocities do not change after you and the truck pass each other.

What is relative velocity?

The relative velocity of body B(say) w.r.t. body A(say) is defined as the velocity with which B appears to move to A when both are in motion.

we know that,

When two body A and B, is in relative motion to one another body C, Then the relative velocity of A w.r.t B is (Vab) given by.

Vab=Vac+Vca

Here in the question Given that,

The relative velocity of you with respect to earth (Vye)=88km/h

The relative velocity of the truck w.r.t earth (Vte)= -104km/h ( it is approaching you i.e south direction)

(A) The relative velocity of Truck w.r.t you is given by,

Vte=Vty+Vye

Vty=-Vte-Vye

Vty=-104-88=  -192km/h

Vty=-192km/h towards the negative direction I.e south.

(B) Your velocity relative to the truck (Vyt) is given by,

Vyt= -Vty

Vyt=   -(-192)km/h

Vyt=192km/h towards the positive direction I.e north.

(C) The relative velocity does not change after you and the truck pass each other.

Hence, the relative velocity of the truck w.r.t you is -192km/h the relative velocity you w.r.t truck is 192km/h.

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How do you find the number of electrons, protons and neutrons that are in

the atom of an element with the aid of an example

Answers

If the atomic number is given then the number of electrons and protons is the same as the atomic number, but the number of neutrons can be calculated by subtracting the atomic number from the atomic mass number of the element.

What is the Atomic mass number?

We know that inside the nucleus protons and neutrons are present, the sum of the protons and newtons is called the atomic mass number. and the electron revolves around the nucleus for the stability of an element the number of positive charges (protons ) should be the number of negative charges (electrons).

For example, take Fluorine(F)

Fluorine has a mass number(M)= 19

Atomic number(Z) =9

Now no. of protons in fluorine is = 9

no. of electrons in fluorine is= 9

no of newton in  fluorine= M-Z=19-9=10

Hence the number of protons and electrons are same as the atomic number and the number of neutrons is the difference between the atomic mass number and the no f protons or the atomic number.

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How do very small nuclei release energy?
A. Increase size
B. Not enough info
C. Stay the same size
D. Decrease size

Answers

I think the answer is D. Decrease size

Please help (50 points and Brainly)

Answers

The mass of the object with kinetic energy of 43200 Joules and velocity of 23 m/s will be 163.33 Kg.

What is Kinetic energy?

Kinetic energy is the energy of an object which is present due to the state of motion of the object. Kinetic energy depends upon the mass and velocity of the object. The SI unit of Kinetic energy is meter per second square (m/s²).

KE = 1/2 mv²

where, KE is the Kinetic energy,

m is the mass of the object,

v is the velocity of the object.

KE = 43200 Joules,

v = 23 m/s

KE = 1/2 mv²

m = 2 KE/ v²

m = 2 × 43200/ 23 × 23

m = 86400/ 529

m = 163.33 kg

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dentify the number of significant digits in 472000 g.

3
4
5
6

Answers

Answer:

3

Explanation:

how long would it take a bolt dropped from a 1.3 m ladder to reach the ground?

Answers

a bolt is dropped from a 1.3-meter ladder,the long will it take it to reach the ground is Ladder length: 4.27 m =2.14 meters away.

How do meters work?

The metric system's and also the International System of Units' primary unit of length is the metre (m), also spelt as meter (SI). The British Imperial us And the Customary systems both convert it to a measurement of roughly 39.37 inches.

How many meters are there in a foot?

Approximately 3 feet, 3 inches are equal to one meter, which is the common metric unit. Therefore, a meter is a unit of measurement in the metric system. One meter long things include, but are not limited to, guitars, baseball bats, or yardsticks. In competitions like running and swimming, meters are also employed to gauge distances.

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LICATION
1. A bar of iron can occasionally be magnetized
by laying it on the ground, pointing it parallel
to the earth's magnetic field, and striking it
repeatedly with a hammer. Use the domain
theory to explain what causes the bar to
become magnetized.

Answers

The domain theory of magnetism explains that ferromagnetic materials such as iron are composed of tiny magnetic domains that are randomly oriented in the absence of a magnetic field.

The Domain theory

These domains have their own magnetic fields that cancel each other out. When an external magnetic field is applied to the material, the domains align themselves with the field, resulting in a net magnetic field and the material becoming magnetized.

In the case of the bar of iron being magnetized by striking it repeatedly with a hammer while pointing it parallel to the earth's magnetic field, the mechanical energy from the hammer blows causes the domains to align themselves in the same direction as the earth's magnetic field. This alignment becomes "locked in" as the domains resist changing their orientation once aligned. Therefore, the bar of iron becomes magnetized and will remain so until it is demagnetized or its magnetic domains are realigned in a different direction by another magnetic field.

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What is the minimum coefficient of static friction between the race car's tires and the track necessary to keep the car from skidding into the wall on the outside of the turn?.

Answers

The minimum coefficient of static friction necessary to keep the race car from skidding into the wall on the outside of the turn depends on the speed and mass of the car.

What is static friction?

Static friction is a force that acts between two surfaces in contact with each other and prevents them from sliding. It is a resistive force that works to oppose any attempts to move the two surfaces relative to each other. Static friction is much higher than kinetic friction, which is the friction present when two surfaces are sliding against each other. Static friction is the force that must be overcome before kinetic friction will take over and the two surfaces will begin to slide. Static friction is affected by a variety of factors, including the materials of the two surfaces, the roughness of the surfaces, and the normal force between the two surfaces. In general, the higher the normal force, the higher the static friction between the two surfaces.

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NEED HELP ASAP
a man hits a golf ball at an angle of 35.0 above the horizontal with an initial velocity of 40.0 m/s. it takes the ball 4.7 s to hit the ground. how far dies the golf ball land from its starting point?

Answers

Answer:

Below

Explanation:

It travels 4.7 seconds at its

                      horizontal velocity component of  40 * cos 35  m/s

 so it travels    4.7  s    *   40 cos (35)  m/s = 154 m from start

The golf ball land from its starting point at 154 m

Define projectile motion.

When an item is launched into the air, or projected, projectile motion occurs when air resistance is minimal and gravity is the only other force acting on the object. The trajectory of the item is referred to as its trajectory, and the object is referred to as a projectile.

Projectile motion can be divided into three major categories: vertical, horizontal, and oblique. Gravity causes a vertical acceleration, which has a value of 9.8 m/s/s downward, while maintaining the projectile's horizontal velocity at a steady value.

Time is 4.7s

Velocity is 40m/s

horizontal velocity component of 40 * cos 35  m/s

The golf ball land from its starting point at :

4.7*40 cos (35) = 154 m

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how are the pedals of a bicycle a simple machine?

Answers

Answer:

The pedal is an application tool that applies the force over a short distance on the axle to move the wheel a greater distance with less force.

Explanation:

hope this helped

Apollo 14 launched in the late afternoon of January 31, 1971, on what was to be our third trip to the lunar surface. Five days later Alan Shepard
and Edgar Mitchell walked on the Moon while Stuart Roosa, a former U.S. Forest Service smoke jumper orbited above in the command module.

What is the meaning of the phrase command module as it is used in the excerpt?

O A.
the detachable part of a spacecraft
О B.
the part of a spacecraft that contains support systems
O c.
a satellite designed to hold a human astronaut
O D.
a satellite designed to orbit the Moon

Answers

The meaning of the phrase command module is a satellite designed to hold a human astronaut. The correct option is C

What is Spacecraft ?

A spacecraft is a vehicle or machine designed to fly in outer space. A Spacecraft is a type of artificial satellite is used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo. All spacecraft except single stage to orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket).

spacecraft is vehicle like designed to operate with or without a crew, in a controlled conditions inside it.

A command module is a detachable controlled compartment of a manned spacecraft. it housed the three-person crew on liftoff and landing and during the trip to and from the Moon In Apollo 14.

Hence option C is correct option

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What is the effect of applying wax on the floor? Can you walk better on a shiny floor with barefoot?

Answers

Answer:

Yes

Explanation:

Floor wax will provide enough grip on the floor to allow people to walk without slipping, even when the floor is wet. In conclusion, A layer of wax will give your workplace more beauty and brightness. It will add sparkle to your home or business and a clean look that will impress the visitor

Answer:

Applying wax on a floor can have several effects, including:

Protection: Wax can protect the surface of the floor from scratches, stains, and other forms of damage.

Shine: Wax can give the floor a shiny, polished look that can enhance its appearance.

Slip-resistance: Some types of wax can improve the slip-resistance of a floor by creating a slightly textured surface.

However, whether or not you can walk better on a shiny floor with barefoot depends on a few factors. If the floor is very smooth and the wax is very slick, it may be more difficult to walk on the surface, especially if your feet are wet or sweaty. On the other hand, if the wax creates a slightly textured surface, it may provide better traction and make it easier to walk on the floor. Additionally, some people may prefer the feeling of walking on a smooth, polished floor, while others may find it uncomfortable or unpleasant. Ultimately, the effect of applying wax on the floor will depend on the type of wax used, the condition of the floor, and the personal preferences of the individual walking on the surface.

Explanation:

Passengers experience a much smaller
decelleration in modern cars than they did
back in the 1970s. Why is that?

Answers

The modern and old cars are fantastic. But however they are different from one another. The vintage cars cannot compete with today's cars. The car engines are significantly advanced over the years.

What is deceleration?

The deceleration refers to the acceleration in the direction opposite to the direction of the velocity. It always reduces the speed of the objects. The slowing down of a bike in a traffic is an example of deceleration.

The modern cars have smaller deceleration, because the engines in today's cars are more powerful and reliable. They provide greater safety, stability and efficiency. The fuel tank in the modern cars are also greater than the old cars.

Thus the Passengers experience a much smaller deceleration in modern cars.

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For 56 points: We design an experiment to see what we can use to cover a disposable coffee cup in order to keep the liquid inside the cup warm for a longer period of time. After completing research, we decide to wrap one cup in a wool sock and compare that to the original cup with no additional insulation. In this example, the wool sock is

Answers

The experiment's manipulable variable, making it the independent variable. The outcome being measured and contrasted between the two situations makes the temperature of the liquid in the cup the dependent variable (with and without the wool sock).

What is Temperature?

Temperature is a measure of the amount of heat energy in a system or object. More specifically, it is a measure of the average kinetic energy of the particles in a substance, such as atoms or molecules.

We must first make sure that both cups begin the experiment with the same volume of hot liquid at the same temperature. The liquid temperature in each cup could then be measured at certain intervals (e.g., every 15 minutes) for a predetermined amount of time (e.g., an hour), and the results could be recorded. To more precisely gauge the liquid's temperature, we might use use a thermometer.

We would compare the liquid's average temperature in each cup over the time we observed after the experiment. We may conclude that the wool sock was successful in maintaining the liquid at room temperature if the cup with the wool sock maintained a greater average temperature than the original cup.

It's vital to keep in mind that we should repeat the experiment several times to make sure that our results are consistent and not the result of chance and to increase the experiment's validity and reliability. Also, we ought to use a bigger sample size and account for any additional factors that can influence the liquid's temperature, such as the environment's temperature or the liquid's initial temperature.

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Which object has the greatest kinetic energy?

A. a truck with a mass of 3,500 kg moving at 30 m/s
B. a fast pitched baseball with a mass of .5 kg moving at 46.9 m/s
C. a locomotive engine with a mass of 205,000 kg moving 5 m/s
D. a person with a mass of 73 kg running 6 m/s

Answers

The object with the greatest kinetic energy is the locomotive engine (option C)

How do I know which object has the greatest kinetic energy?

To know the object with the greatest kinetic energy, we shall determine the kinetic energy of each objects. Details below:

For truck:

Mass (m) = 3500 KgVelocity (v) = 30 m/sKinetic energy (KE) =?

KE = ½mv²

KE = ½ × 3500 × 30²

KE = 1575000 J

For baseball:

Mass (m) = 0.5 KgVelocity (v) = 46.9 m/sKinetic energy (KE) =?

KE = ½mv²

KE = ½ × 0.5 × 46.9²

KE = 549.90 J

For locomotive:

Mass (m) = 205000 KgVelocity (v) = 5 m/sKinetic energy (KE) =?

KE = ½mv²

KE = ½ × 205000 × 5²

KE = 2562500 J

For person:

Mass (m) = 73 KgVelocity (v) = 6 m/sKinetic energy (KE) =?

KE = ½mv²

KE = ½ × 73 × 6²

KE = 1314 J

From the above calculations, we can see that the locomotive has the greatest kinetic energy. Thus, the correct answer is option C

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An ant travels toward the right along a meter stick. If it starts at the 25.00 cm mark and then travels to the 80.00 cm mark, what is its displacement?

Answers

displacement = 55 cm.Initial position = 25 cm,Final position = 80 cm,Displacement = final position-finitial position,Putting values in above formula,D = 80 cm - 25 cm,D = 55 cm,It means that the displacement of the ant is 55 cm.

What distinguishes displacement from distance?

Distance is the length of any path connecting any two places.As measured along the shortest path between any two points, displacement is indeed the direct distance between them.The direction is ignored when calculating distance.

Displacement: Is it a distance?

Displacement is just the distance between an object's starting point and its final location, whereas distance is indeed the length of an object's path.

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