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?

1 kg mass has a kinetic energy of 2 joule. Calculate its velocity

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

Two bodies of masses m_(1) and m_(2) have same kinetic energy. The ratio of their momentum is

A stone of mass 2 kg is falling from a certain height.find the force of attraction between the Earth and the stone.Also,find the acceleration.

Consider a drop of rain water having mass 1 g falling from a height of 1 km . It hits the ground with a speed of 50 m//s Take g constant with a volume 10 m//s^(2) . The work done by the (i) gravitational force and the (ii) resistive force of air is :

A body of mass 2 kg moves with a velocity of 5 m/s. Find its kinetic energy.

2 balls have masses of 50 gm and 100 gm and they are moving along the same line in the same direction with velocities of 3m/s and 1.5 m/s respectively. They collide with each other and after the collision, the first ball moves with a velocity of 2.5 m/s. Calculate the velocity of the other ball after collision.

An iron ball of mass of 3 kg is released from height of 125 m and falls freely to the fround Assuming that the vlaue of g is 10m//s^2 ,calculate: velocity of the ball on reaching the ground.

An iron ball of mass of 3 kg is released from height of 125 m and falls freely to the fround Assuming that the vlaue of g is 10m//s^2 ,calculate: the height of the ball at half the time it takes to reach the ground.

An iron ball of mass of 3 kg is released from height of 125 m and falls freely to the fround Assuming that the vlaue of g is 10m//s^2 ,calculate: (i)time taken by the ball to reach the ground.