Physics

Problem

A particle of mass

M

is moving in a circle of fixed radius

R

in such a way that its centripetal acceleration at time

t

is given by

n^2 R t^2

where

n

is a constant. The power delivered to the particle by the force acting on it, is: a.

\frac{1}{2} M n^2 R^2 t^2

M n^2 R^2 t

M n R^2 t^2

M n R^2 t