A particle of mass `m` describe circular path of radius 'r' and its radial or normal or centripetal acceleration depends on time 't' as `a_(R) = Kt^(2). K` is `+ve` constant Then :

Options

A. at any time 't' force acting on particle is `m sqrt(kr+k^(2)t^(4))`
B. Power developd at any time t is mkrt
C. Power developed at any time t is `mk^(3//2)//r^(3//2)t`
D. Tangential acceleration is also varying

Answer

a,b