If a particle of mass moves with velocity under a constant acceleration

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

Problem

If a particle of mass

m

moves with velocity

v

under a constant acceleration

a

, which of the following gives its instantaneous power? (a)

P = \dfrac{1}{2} m a v

(b)

P = 2 m a v

(c)

P = m a v

(d)

P = \dfrac{3}{2} m a v