Solve the following examples: (numerical problems)
A shell of mass 10 kg is fired from a gun of mass 600 kg. The gun recoils with a velocity of 6 `m/s`. Find the muzzle velocity of the shell.

A shell of mass 6 kg is fired from a gun of mass 600 kg. If the recoil velocity of the gun is 3 m/s , find the muzzle velocity of the shell.

Solve the following examples: (numerical problems) A body of mass 10 kg moves with a velocity of 5 m/s. Find its momentum.

Solve the following examples: (numerical problems) A body of mass 1 kg, moving with a velocity of 4 m/s collides with a body of mass 0.5 kg moving with a velocity of 2 m/s . If the velocity of the first body after collision is 8/3 m/s , find the velocity of the second body after collision.

Solve the following examples: (numerical problems) A body moves along a straight line at a velocity of 10 m/s for 10 s and then at a velocity of 15 m/s for 15 s. Find the average velocity of the body.

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

Solve the following examples: (numerical problems) A body of mass 5 kg moves in a straight line with an acceleration of 2 m//s^2 ?. Find the change in the momentum of the body in 2 seconds.

Solve the following examples: (numerical problems) A body moves in a Straight line with a uniform acceleration of 2 m/s^2 . If the initial velocity of the body is 10 m/s , find the velocity of the body after covering 75 m and the time taken by the body to attain this velocity.

Solve the following examples: (numerical problems) A body moves in a straight line with a uniform acceleration. If the initial velocity of the body is 5 m/s and the velocity after 10 s is 15 m/s, find the acceleration of the body and

Solve the following examples: (numerical problems) A car of mass 1800 kg moving with a speed of 10 m/s is brought to rest after covering a distance of 50 m. Calculate the force applied to the car.