rosehannah944 rosehannah944

23-01-2024
Physics

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A particle of mass m is moving in a circular path of constant radius r such that centripetal acceleration is varying with time t as k²rt², where k is a constant. The power delivered to the particle by the force acting on it is

A m²k²r²t²
B mk²r²t
C mk²rt²
D mkr²t

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