Question: A force F acting on a depends on its displacement r as F = kr1/3 wherek is a constant of appropriate dimensions. The body

A force F acting on a depends on its displacement r as

A force F acting on a depends on its displacement r as F = kr1/3 wherek is a constant of appropriate dimensions. The body moves along straight line and its initial velocity is zero. The power delivered by F is (A) 3kr (B) (C) (D)

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