Question

A bullet of mass 20g moving with a speed of 120 m/s hits a thick muddy wall and penetrates into it. It takes 0.03s to stop on the wall. Find
i) The acceleration of the bullet in the wall
ii) The force exerted by the wall on the bullet
iii) The force exerted by the bullet on the wall
iv) The distance covered by the bullet in the wall​

Answer 1

Answer:

A 2.50g bullet, traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 270g (a) find the speed of the bullet/block combination immediately after the collision (b) how high does the combination rise above