A person crosses a 600 m long street in 5 second. What is his speed ?

A body travels 200 m in 2 seconds and 220 m in the next 4 seconds. What will be its velocity at the nd of the 7th second from the start?

A train passes over a 200 m long bridge in 10s. The length of the train is 100 m. The speed of the train is

A body moves on a circular path of radius 1 m. It completes one circle in 2 seconds. Find its speed.

A person is standing on a railway station which is 120 m long . He observes that the trains crosses the station in 30 sec. but himself in 6 seconds. Find the length of the train.

500 persons took dip in a rectangular tank which is 80 m long and 50 m broad. What is the rise in the level of water in the tank. If the average displacement of water by a person is 0.04 m^3 ?

A person carrying 10 bricks each of mass 2.5 kg. on his head moves to a height 20 metres in 50 seconds. Calculate the power spent in carrying bricks of the person.

A cyclist is riding with a speed of 27 km//h . As he approaches a circular turn on the road of radius 80 m, he applies brakes and reduces his speed at the constant rate of 0.50 m//s every second. What is the magnitude and direction of the net acceleration of the cyclist on the circular turn ?

The ends of a rod AB which is 5 m long moves along two grooves OX, OY which are at right angles. If A moves 2 at a constant speed of 1/2 m/s, what is the speed of B, when it is 4 m from O?

A train 120 m long moving on a straight and track with uniform speed passes a pole in 6 seconds Find: the speed of the train.