Question

A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration is varying with time t as, where k is constant the power delivered to the particle by the force acting on it is

Answer 1

V = krt; power = F*V;

hence velocity is changing continuously so it is considered as non uniform circular motion.

There is a tangential acceleration & tangential force acting on it as this tangential force will deliver suitable power to the particle. 1= dv/dt; p=ma.

Hence the correct answer is P= mk2r2t.

Answer 2

Explanation:

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