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A particle of mass "m" is moving along a...

A particle of mass "m" is moving along a circular path of radius 'r' such that "l centripetal acceleration `a_(c)=k^(2)rt^(2)` .power delivered to the particles is: 1) `mk^(2)r^(2)t` 2) `2mk^(2)r^(2)t` 3) `1/2(mk^(2)r^(2)t` 4) Zero

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