Chemistry, 13.01.2021 07:10 fluffyanimal456
Roller coaster cars move slowly at the top of the hill, so they have little kinetic energy. The speed of the cars increases as they move down the hill. This increased the cars' kinetic energy. Where might this extra kinetic energy have come from?
a.) kinetic energy was added by pushing the cars
b.) potential energy was transformed into kinetic energy
c.) the cars always had kinetic energy
d.) kinetic energy was transferred into potential energy
Answers: 2
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Roller coaster cars move slowly at the top of the hill, so they have little kinetic energy. The spee...
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