Speed and Mass

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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Kinetic energy is measured in

• Newtons (N)

• Joules (J)

• Kilograms (kg)

• miles per hour (mph)

Where would this tossed baseball have the greatest amount of kinetic energy?

• point W

• point X

• point y

• point z

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Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

• mass

• speed

• volume

• weight

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

• true

• false

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If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• box of 20 textbooks

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At which point is potential energy greatest?

• W
• X
• Y
• Z

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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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The more mass an object has the _____________ kinetic energy it has

• more

• less

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