If the energy of a ball falling from a height of 10 minutes is reduced by 40% , how high will it rebound ?

Solve the following examples: If the energy of a ball falling from a height of 10 metres is reduced by 40% , how high will it rebound?

If the energy of a ball falling from a height of 20 m is reduced by 60% , how high will it rebound?

A metal ball of mass 5 kg falls from a height of 490 m. How much time will it take to reach the ground ?

Solve the following examples / numerical problems: A metal ball of mass 5 kg falls from a height of 490 m. How much time will it take to reach the ground ?

A ball is dropped from a height of 80ft. The ball is such that it rebounds(3/4)th of the height it has fallen, How high does the ball rebound on 6th bounce? How high does the ball rebound on nth bounce?

A small steel ball bounces on a steel plate held horizontally. On each bounce the speed of the ball arriving at the plate is reduced by a factor e (coefficient of restitution) in the rebound, so that v_("upward")=eV_("downward.") If the ball is initially dropped from a height of 0.4 m above the plate and if 10 seconds later the bouncing ceases, the value of e is

An elephant and a matchbox fall from a height of 200m.if they are in a state of free fall,which of them will reach the ground first and why?

How is energy obtained from cooking gas ?

A stone having a mass of 250 gm is falling from a height. How much kinetic energy does it have at the moment when its velocity is 2 m/s?

How electrical energy can be obtained from light?