Chapter - 4 Work and Energy

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Q
Work and Energy

Question:

A freely falling object eventually stops on reaching the ground. What happenes to its kinetic energy?

Answer:

When the object hits the hard ground, the kinetic energy gets converted into heat energy and sound energy. Further, entire energy is lost to the environment. This energy can also deform the ground with respect to the nature of the ground and the amount of kinetic energy possessed by the object.


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