A body is initially at rest. It undergoes one dimensional motion with constant acceleration. The power delivered to it at time t is proportional to

A body is intially at rest . It undergos one -dimensional motion with constant acceleration . The power delivered to it at time 't' is proportianal to .

A body starts from rest and acquires velocity V in time T . The instantaneous power delivered to the body in time 't' proportional to

A body starts from rest and acquires velocity V in time T . The instantaneous power delivered to the body in time 't' proportional to

A constant power delivering machine has towed a box, which was initially at rest, along a horizontal straight line. The distance moved by the box in time't is proportional to :