Kinetic Energy and Velocity Graphs

Why is it harder to stop a four-person bobsled than a three-person bobsled?

• the four-person sled has more KE

• the four-person sled has less KE

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As the velocity of an object decreases its KE will...

• increase

• decrease

• stay the same

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As mass increases, KE ...

• increases
• decreases
• stays the same

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NGSS.MS-PS3-1

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Kinetic energy is...

• energy carried in ultraviolet waves

• energy stored in food

• energy in motion

• energy from splitting an atom

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What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

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Where would this tossed baseball have the greatest amount of kinetic energy? (Hint: where is it moving the fastest?)

• point W

• point X

• point y

• point z

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If moving at the same speed, increasing an object's mass will increase its kinetic energy.

• true

• false

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Increasing an object's speed will increase its kinetic energy.

• false

• true

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The faster an object moves, the ________ kinetic energy it has.

• more

• less

• none of the above

• all of the above

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If all these objects are moving at 45 kg/h, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• tv

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