Question

a bullet is fired into a velocity of 15 metre per second if the bullet stop at the depth of 10 centimetre inside the wall find the retardation provided by the wall​

Answer 1

Answer:112.5 m/s²

Explanation:

Use formula v²=u² +2as

s=0.1m

v=0

u=15m/s

Then

u²/2s =a

225/2(0.1) =a

a =112.5m/s²

Answer 2

• See the picture below  Hope it helps..