A particle performs simple harmonic motion of amplitude

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

A particle performs simple harmonic motion of amplitude AA. When its displacement from the mean position is A/2A/2, what fraction of its total mechanical energy is kinetic? (a) 12\dfrac12 (b) 34\dfrac34 (c) 14\dfrac14 (d) 38\dfrac38

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