Juan, who is 60 kg, falls from a height of 20 m on a strange planet that has a large
amount of air resistance and a gravity exactly equal to Earth's. When he reaches the
ground, he is traveling 2 m/s.
How efficient was his jump at converting potential into kinetic energy? Your answer will
be a percentage.
Answers: 1
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Juan, who is 60 kg, falls from a height of 20 m on a strange planet that has a large
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