A bullet of mass `10^-3kg` strikes an obstacle and moves at `60^@` to its original direction. If its speed also changes from `20m//s` to `10m//s`. Find the magnitude of impulse acting on the bullet.

A ball of mass 0.2kg strikes an obstacle and moves at 60^(@) to its original direction If its speed also changes from 20m//s to 10m//s , the magnitude of the impulse received by the ball is .

A bullet of mass m strikes an obstruction and deviates off at 60° to its original direction. If its speed is also changed from u to v, find the magnitude of the impulse acting on the bullet.

A bullet of mass m strikes an obstruction and deviates off at 60° to its original direction. If its speed is also changed from u to v, find the magnitude of the impulse acting on the bullet.

A bullet of mass 15 g has a speed of 400 m/s. What is its kinetic energy ? If the bullet strikes a thick target and is brought to rest in 2 cm, calculate the average net force acting on the bullet. What happens to the kinetic energy originally in the bullet ?

A bullet of mass 10 gm strikes a target at 400 m//s velocity and does half of its initial velocity. The loss of kinetic energy in joules is

A bullet is fired from a rifle that is held 1.6 m above the ground in a horizontal position. The initial speed of the bullet is 1100 m/s. Find the time it takes for the bullet to strike the ground and the horizontal distance traveled by the bullet.

A certain force acts on a body at rest. If after 10 seconds the body moves with a velocity of 20 m/s and if its mass is 3 kg, find the magnitude of the force acting on the body.

The length of ballistic pendulum is 1 m and mass of its block is 0.98 kg . A bullet of mass 20 gram strikes the block along horizontal direction and gets embedded in the block. If block + bullet completes vertical circle of radius 1m , then the striking velocity of bullet is

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. Also calculate the magnitude of the force exerted by the wooden block on he bullet.