A running man has the same kinetic energy as that of a boy of half | Filo
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Class 11

Physics

Mechanics

Work, Energy and Power

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A running man has the same kinetic energy as that of a boy of half his mass. The man speed up by and the body changes his speed by so that the kinetic energies of the boy and the man are again equal. Then in is

Correct Answer: Option(b)
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