A 0.60 kg rubber ball is thrown into the air. At a height of 30 m above the ground, it is travelling at 18 m/s. a. What is the ball's kinetic energy at 30 m above the ground? b. What is its gravitational potential energy relative to the ground at 30 m above the ground? c. What was the speed of the ball when it left the ground(assume h = 0)?
A 0.60 kg rubber ball is thrown into the air. At a height of 30 m above the ground, it is travelling at 18 m/s. a. What is the ball's kinetic energy at 30 m above the ground? b. What is its gravitational potential energy relative to the ground at 30 m above the ground? c. What was the speed of the ball when it left the ground(assume h = 0)?
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Transcribed Image Text:A 0.60 kg rubber ball is thrown into the air. At a height of 30 m above the ground,
it is travelling at 18 m/s.
a. What is the ball's kinetic energy at 30 m above the ground?
b. What is its gravitational potential energy relative to the ground at 30 m
above the ground?
c. What was the speed of the ball when it left the ground(assume h 0)?
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