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A particle of mass M is moving in a circ...

A particle of mass M is moving in a circle of fixedradius R in such a way that its centripetal accelerationn at time t is given by `n^2Rt^2` where n is a constant. The power delivered to the particle by the force acting on it, it :

A

`MnR^2t^2`

B

`MnR^2t`

C

`(1)/(2)Mn^2R^2 t^2`

D

` Mn^2R^2 t`

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Knowledge Check

  • A particle of mass m is moving in circular path of constant radius r such that centripetal acceleration is varying with time t as k^(2)rt^(2) where k is a constant the power deleivered to the particle by the force acting on its is

    A
    `m^(2)k^(2)r^(2)t^(2)`
    B
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    C
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    D
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    A
    `2 pi m k^2 r^2`
    B
    ` mk^2 r^2t`
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