5.9 A body is initially at rest

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

5.9 A body is initially at rest. It undergoes one-dimensional motion with constant acceleration. The power delivered to it at time

t

is proportional to (i)

t^{1 / 2}

(ii)

t

(iii)

t^{3 / 2}

(iv)

t^{2}