A particle of mass m is moving in a circular path of constant radius r such that its…
Physics · JEE Advanced · NTA Exams — Work, Energy and Power
A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration (a) is varying with time t as a = k2rt2, where k is a constant. The power delivered to the particle by the force acting on it is given as
- zero
- mkr2t2
- mk2r2t
- mk2rt
Answer
(A) zero
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