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 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . What kinetic energy is acquired (i) by the bullet and

A 20 g bullet moving at 300 m/s stops after penetrating 2 cm of bone. Calculate the average force exerted by the bullet .

A bullet of mass 50 g moving with a speed of 300 ms^(-1) is brought to rest in 1 s . Find the impulse and the force .

A machine gun bullet of mass m leaves the barel at a speed of 100 ms^(-1) and has a kinetic energy of 1000 J. what is the mass of bullet ?

A 5kg rifle fires a 5g bullet with a speed of 500 m*s^(-1) . What kinetic energy is acquired (ii) by the the rifle ?

A bullet of mass 5 g travels with a speed of 500m/s. If it penetrates a fixed target which offers a constant resistive force of 1000N to the motion of the bullet, find (a) the initial kinetic energy of the bullet (b) the distance through which the bullet has penetrated.

A gun fires a bullet with a speed of 400m//s . What is recoil velocity of the gun if its mass is 200 times the mass of the bullet?

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 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