Question

A bullet of mass 0.01kg is fired with velocity of [230,0]m/s in to a sack of sand of mass 9.99kg which is swinging from rope. At the moment the bullet hits, the sack has a velocity of [0,0.2]m/s. Workout the velocity of bullet of the sack.​

Answer 1

The velocity of the bullet and the sack after the collision will be the same. The final velocity of the bullet and the sack will be [229.8, 0.2] m/s.