Question

a particle of mass m moving in a circular path of constant radius r so that its centripetal acceleration ac=k2rt2.(k = constant)

Answer 1

Ac = v^2/r = k^2rt^2

So

v = √ k^2r^2t^2 = krt

Now,

Tangential acceleration = dv/dt = kr

Power = Force*velocity = ma*v = m(kr)(krt) = mk^2r^2t

So

Power = mk^2 r^2 t

Hope this helps you !

Answer 2

Answer:

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Explanation: