A partcile of mass m is moving in a circular path of constant radius r such that its…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A partcile 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 ac= k2 r t2, where k is a constant, the power delivered to the particle by the forces acting on it is-
- 2 π m k2 r2 t
- m k2 r2 t
- (m k4 r2 t5)/3
- 0
Answer
(B) m k 2 r 2 t
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