A bullet of mass `100 gram` moving with `20 m//s` Strikes a wooden plank and penetrates upto 20 cm. Calculate the resistance offered by the wooden plank .

A bullet, of mass 50 g moving at 400 m cdot s^(-1) , penetrates 20 cm into a wall and stops. Find the average resistance offered by the wall.

A bullet moving at 20 m/sec. strikes a wooden plank and penetrates 4 cm before coming to stop. The time taken to stop is

A bullet moving at 20 m/sec. strikes a wooden plank and penetrates 4 cm before coming to stop. The time taken to stop is

A bullet of mass 12 g strikes a soild surface at a speed of 400m/s. It penetrates to a depth of 3cm.Calculate the average resistance offered to the bullet.

A bullet moving at 20m/sec. It strikes a wooden plank and penetrates 4 cm before coming to stop. The time taken to stop is

A bullet of mass 50 g , moving a velocity of 200 m*s^(-1) , strikes and penetrates a wooden block. If the resistance f the wooden block on the bullet is 4900 N, find the distance up to which the bullet penetrates the block.

A bullet of mass 0.04 kg moving with a speed of 600 m/s penetrates a heavy wooden block. It stops after a penetration of 500 cm. The resistive force exerted by the block on the bullet is

A bullet of mass 0.04 kg moving with a speed of 600 m/s penetrates a heavy wooden block. It stops after a penetration of 500 cm. The resistive force exerted by the block on the bullet is