A ball is projected into the air with 100 J of kinetic energy. The kinetic energy is transformed into gravitational potential energy on the path towards the peak of its trajectory. When the ball returns to its original height, its kinetic energy is ____ Joules. Do consider the effects of air resistance. Hintg=10m/s/s. a. less than 100 b. 100 c. more than 100 d. not enough information given

Inquiry into Physics
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Chapter3: Energy And Conservation Laws
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Problem 28P: . The fastest that a human has run is about 12 m/s. (a) If a pole vaulter could run this fast and...
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A ball is projected into the air with 100 J of kinetic energy. The kinetic energy is transformed into gravitational potential energy on the path towards the peak of its trajectory. When the ball returns to its original height, its kinetic energy is ____ Joules. Do consider the effects of air resistance. Hintg=10m/s/s.

a. less than 100

b. 100

c. more than 100

d. not enough information given

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