Question

Select One Option Correct from the following : A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration ac is varying with time t as $a_c = k^2rt^2$ where k is a constant. The power delivered to the particle by the force acting on it is
(A) $2\pi mk^2r^2$
(B) $mk^2r^2t$
(C) $\frac{1}{3} mk^4r^2t^5$
(D) zero

Answer 1

b option is correct I think.
mark brainliest if you like

Answer 2

F is correct mark me brainlist