A bullet of mass 10 g travelling horizontally with a velocity of `150 m s^-1` strikes a stationary wooden block and comes to rest in 0.03 s. Calculate the force exerted by the wooden block

A bullet of mass 10 g travelling horizontally with a velocity of 150 m s^-1 strikes a stationary wooden block and comes to rest in 0.03 s. Calculate the distance of penetration of the bullet into the block.

A bullet of mass 100 g strikes a wooden plank with a velocity of 300 ms^-1 and emerges with a velocity 100 ms^-1 .Calculate the work done by the resistive force on the bullet

A bullet of mass 12g and horizental velocity 60ms^(-1) strikes a block of wood of mass 0.5kg and suspenduded by a string.The bullet instantly comes to rest with respect to the block.Calculate the height to which the block rises.

A stream of water flowing horizontally with a speed of 15 m s^1 gushes out of a tube of cross-sectional area 10^2 m2, and hits a vertical wall nearby. What is the force exerted on the wall by the impact of water, assuming it does not rebound?

A bullet of mass 50 g moving with a speed of 500 ms^-1 is brought to rest in 0.1 sec. Find the impulse and average force.

A stone of 1 kg is thrown with a velocity of 20 ms^-1 across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?

A bullet of mass 10 g is fired from a gun with a velocity of 800ms^-1 .After passing through a mud wall 100cm thick its velocity drops to 100ms^-1 .Calculate the average resistance offered by the wall.

A hockey ball of mass 200 g travelling at 10 m s^-1 is struck by a hockey stick so as to return it along its original path with a velocity at 5m s^1 . Calculate the change of momentum occured in the motion of hockey ball by the force applied by the hockey stick.

A bullet of mass 40gm is fired from a gun of mass 8kg with a velocity of 800 m/s, calculate the recoil velocity of gun.

A long straight wire carries a current of 10 ampere. An electron travels with a velocity of 5.0x10 ms parallel to the wire at 0.1 m from it and in a direction opposite to the current. What force is exerted on the electron ?.