ball is dropped from a height of 10 m.Required to answer. Single choice.
(1 Point)
(a) Its potential energy increases and kinetic energy decreases during the falls
(b) Its potential energy is equal to the kinetic energy during the fall.
(c) The potential energy decreases and the kinetic energy increases during the fall.
(d) The potential energy is zero and kinetic energy is maximum while it is falling.
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Answer:
c.
Explanation:
as during the time of fall height dec so potential energy dec
and simualtenously kinetic energy inc as total energy is always constant.
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