A train 100 m long is moving with a velocity of 60 km/hr. Find the time it takes to cross the bridge 1km long.

A train 100 m long is moving with the velocity of 72 km/hr. Find the time it takes to cross the bridge which is 2 km long?

A body of mass 150 kg is moving with a velocity 20 m/s and it takes 5 sec. to stop after the brakes are applied. Find the.acceleration and applied force.

A scooter of mass 75 kg is moving with a.Velocity 72 km/h. Calculate the force necessary to stop the scooter at a distance of 100 m.

A train 150 m in length is moving north at a speed of 10m/s. A parrot flies at a speed of 5m/s towards south parallel to the railway track. The time taken by the parrot to cross the train is

A motor car travelled 100 km at a velocity of 40 km/h and come back with a velocity of 25 km/h. Find the average speed.

A train is moving at a velocity of 120 km/h. Brakes were applied and an uniform retardation of 0.5 m//s^2 was produced. What distance will the train move before coming to a half?

A man can swim with a speed of 4.0 km/h in still water. How long does he take to cross a river 1.0 km wide if the river flows steadily at 3.0 km/h and he makes his strokes normal to the river current? How far down the river does he go when he reaches the other bank?

An automobil,e weighing 2000kg climbs up a hill that rises 1m in 20m of its lenth at the rate of 36 km/hr.Find the power developed by the engine.

A ball is thrown up with a velocity 4.9ms^-1 . Find the maximum height reached by the ball. How long does it spend in air?

The kinetic energy of an object of mass, m moving with a elocity of 5 ms^-1 , is 25J. What will be its kinetic energy when its velocity is doubled? What will be its kinetic energy when its velocity is increased three times?