1.

A body of mass m, accelerates uniformly from rest to v_(1) in time t_(1). The instantaneous power delivered to the body as a function of time is :

Answer»

`(mv^2)/(T^2).t`
`(mv^2)/(T^2)`
`(1)/(2)(mv^2)/(T^2).t`
`(1)/(2)(mv^2)/(T^2)`

SOLUTION :INSTANTANEOUS power is given as
`P=Fv=mav=m(v/T)(v/Tt)=(mv^2)/(T^2)t`


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