Solve the following examples: (numerical problems)
A bullet having a mass of 10 g and moving with a speed of 1.5 `m/s` penetrates a thick wooden plank of mass 90 g. The plank was initially at rest. The bullet gets embedded in the plank and both move together. Determine their velocity.

Solve the following examples : A bullet having a mass of 10 g and moving with a speed of 1.5 m/s penetrates a thick wooden plank of mass 90 g. The plank was initially at rest. The bullet gets embedded in the plank and both move together. Determine their velocity.

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 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.

The average force necessary to stop a bullet of mass 20 g moving with a speed of 250 m//s , as it penetrates into the wood for a distance of 12 cm is

Solve the following examples / numerical problems: An object takes 5 s to reach the ground from a height of 5 m on a planet . What is the value of g on the planet ?

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 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 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.

Solve the following examples: (numerical problems) An object of mass 16 kg moving with an acceleration of 3 m//s^2 ?, Calculate the applied force. If the same force is applied on an object, of mass 24 kg, how much will be the acceleration ?