A body of mass 6 kg is acted on a by a force so that its velocity changes from `3 ms^(-1)` to `5ms^(-1)`, then change in momentum is

An object of mass 100 kg is accelerated uniformly from a velocity of 5 ms^(-1) to 8 ms^( -1) in 6s. Calculate the initial and final momentum of the object. Also find the force exerted on the object.

What force should be applied on a body of mass 500 kg to change its velocity from 4 ms^(1) to 6 ms^(-1) in one second ?

What force should be applied on a body of mass 500 kg to change its velocity from 4 ms^(1) to 6 ms^(-1) in one second ?