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

Question:

32.A particle of mass is moving in a circular path of constant radius such that its centripetal acceleration is varying with time as , where is a constant. The power delivered to the particle by the forces acting on it is

Options :

a) 2πmk^2r^2t^2
b) mk^2r^2t
c) mk^4r^2t^5/3
d) Zero

Answer :

b) mk^2r^2t

Answer Steps :

Step1 :-

Step2 :-

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If current in an electric bulb changes by 1%, then the power will change by (a) 1%(b) 2%1000 OF(c) 4% anda darse(d) =%2

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