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Fosterthepeople
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In which situation does the energy constantly change from gravitational potential energy to kinetic energy?
 one year ago
 one year ago
Fosterthepeople Group Title
In which situation does the energy constantly change from gravitational potential energy to kinetic energy?
 one year ago
 one year ago

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Fosterthepeople Group TitleBest ResponseYou've already chosen the best response.0
A ball is dropped off a cliff into a canyon. A ball rests on a table. A meteor flies through space. A ball is thrown upward into the air and reaches its highest point.
 one year ago

Shane_B Group TitleBest ResponseYou've already chosen the best response.1
A ball resting on a table maintains its PE. A meteor flying through space essentially only has kinetic energy since PE = mgh. A ball thrown upward into the air is decreasing it's KE and increasing it's PE (mgh) on the way up...and viceversa on the way down.
 one year ago

Fosterthepeople Group TitleBest ResponseYou've already chosen the best response.0
A 1,200 kg car rolls down a hill with its brakes off and transmission in neutral. At one moment it is moving 5.0 m/s. A little later it is moving at 8.2 m/s. How much did its height change between the two times? Assume friction and air resistance have no effect on its motion. (Points : 1) 1.5 m 2.2 m 4.3 m 1.9 m
 one year ago
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