A mass on an ideal spring performs SHM with amplitude and period

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

Problem

A mass on an ideal spring performs SHM with amplitude

A

and period

T

. During one complete oscillation, for how much total time is its displacement magnitude less than or equal to

\dfrac{A}{2}

? (a)

\dfrac{T}{2}

(b)

\dfrac{2T}{3}

(c)

\dfrac{T}{3}

(d)

\dfrac{T}{6}