A bullet weighing 10 g is fired with a velocity of `800 ms^(-1)`. After passing through a

A bullet weighing 10g is fired with a velocity of 800ms^(-1) . After passing through a mud wall 1m thick, its velocity decreases to 100ms^(-1) . Find the average resistance offered by the mud wall.

A bullet of mass 20 g is fired with a velocity of 1000 m/s . After passing through a mud wall 1.5 m thick , its velocity decreases to 400 m/s . Calculate the average resistance offered by the mud wall .

A lead bullet weighing 20 g and moving with a velocity of 100 ms^(-1) comes to rest in a fixed block of wood. Calculate the heat developed and the rise in temperature of the bullet assuming that the half of the heat is absorbed by the bulley. The specific heat of lead is 0.03 cal g^(-1).^(@)C^(-1) .

A buttle weighting 10 g and moving with a velocity 800 ms^(-1) strikes a 10 kg block resting on a frictionless surface. The speed of the block after the perfectly inelastic collision is approximately

A bullet of mass 4 g is fired with a velocity of 600 ms^(-1) into a block of metal weighing 9.996kg . The block is free to move. Calculate the common velocity of the bullet and block after the impact.

A bullet of mass 10 g is fired with a velocity of 100 m/s from a rifle of mass 2.5 kg, the recoil velocity of the rifle is

A gun weighing 10 kg fires a bullet of 30 g with a velocity of 330 ms^(-1) . With what velocity does the gun recoil? What is the combined momentum of the gun and bullet before firing and after firing?

A bullet of mass 10 gm is fired horizontally with a velocity 1000 ms^(-1) from a riffle situated at a height 50 m above the ground. If the bullet reached the ground with a velocity 500 ms^(-1) , the work done against air resistance in the trajectory of the bullet is (in joule) (g = 10 ms^(-2)) .

A bullet of mass 5 g is fired at a velocity of 900 ms^(-1) from a rifle of mass 2.5 kg. What is the recoil velocity of the rifle.?