TRUE or FALSE: You can determine the kinetic energy of an object if you know its mass and its volume.
False
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10
TRUE or FALSE: For a mechanical change in an isolated system, the mechanical energy at the beginning equals the mechanical energy at the end of the process, as long as friction is negligible.
True
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10
TRUE or FALSE: One joule equals one meter per Newton.
False
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monster
Reset all scores!
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rocket
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rocket
Go to first place!
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baam
Lose 15 points!
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15
The potential energy of an object that is stretched of compresses is _______.
elastic potential energy
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lifesaver
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magnet
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gift
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banana
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15
What form of energy: Increases as atoms within an object move faster.
thermal energy
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10
What is the formula to solve for Kinetic Energy?
KE = Â―mvÂē
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15
What form of energy: The sum of an object's potential and kinetic energy.
mechanical energy
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seesaw
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magnet
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gift
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banana
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15
What type of energy? Kinetic, potential or both: A descending roller coaster car.
Both
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15
What type of energy increases as the pole bends before it propels a pole-vaulter up into the air.
elastic potential energy
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10
Energy of motion is called ______.
Kinetic Energy
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10
TRUE or FALSE: Energy is transferred when work is done.
True
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10
At what point during a pole-vaulter's jump is his gravitational potential energy the greatest?
At the highest point of the jump.
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15
What type of energy? Kinetic, potential or both: A stationary wind-up toy with a compressed spring.