Question

A bullet is fired into a wall with a velocity of 50m/s. If the bullet stops at the depth of 10cm inside the wall,find the acceleration provided by the wall

Answer 1

U=50m/s

V=0

S=10cm=0.1m

By applying: V^2-U^2=2as

0^2-50^2=2×a×0.1

-2500=(1\5)a

a=-12500m/s