V^2 = Vo^2 + 2a*d.
V = 0, Vo = 200 m/s, d = 0.045 m., a = ?.
A bullet traveling at 200 m/s strikes a soft wood and penetrates 4.5 cm through it before coming to rest. Calculate the bullet's average retardation
3 answers
-4.44*10^5m/s^2
-4.44m/s2