Instantaneous velocity of a particle moving in +x direction given as v = . At t = 0, particle starts

A train 200 m long moving at constant acceleration crosses a bridge 800 m long. It enters the bridge

A body starts from rest and moves for n seconds with uniform acceleration a. Its velocity after n se

A particle is moving in a straight line with some initial velocity such that its acceleration during

The position x of a particle varies with time t as x = ct² – bt³, where c and b are constants. The a

The position-time graph for two cars A and B is given below, then the ratio of their velocities is