When a bullet of mass 10 g and speed 100 m/s penetrates up to distance 1 cm in a human body at rest. The resistance offered by human body is :

A bullet of mass 10 gm hits a fixed target and penetrates through 8 cm in it before coming to rest. If the average resistance offered by the target is 100 N, the velocity with which the bullet hits the target is,

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 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 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 of mass 10g strikes a fixed target and penetrates 8 cm into it before coming to rest. If the average force of resistance offered by the target is 100 N with what velocity does it strike ? :

A bullet of mass 10 gm moving with a velocity .u. penetrates 4 cm in to a target before coming to rest. If the average resistance offered by the target is 200 N, the value of .u. is