An object moving in undamped simple harmonic motion is described by

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

Problem

x = A\cos\!\bigl(2\pi t/T\bigr)

. If the displacement is at its maximum positive value at

t = 0

, at which of the following times is the magnitude of its acceleration next at a maximum? (a)

\dfrac{T}{4}

(b)

\dfrac{T}{2}

(c)

\dfrac{3T}{4}

(d)

T