A 20-G Bullet with an Initial Velocity of 3 $\times$ 10⁴ Cm/s Penetrates 6

Multiple Choice

A 20-g bullet with an initial velocity of 3.0 $\times$ 10⁴ cm/s penetrates 6.0 cm into a stationary wall.The average force exerted on the bullet by the wall in bringing it to rest is approximately

A) 1.5 $\times$ 10⁴ N
B) 2.3 $\times$ 10³ N
C) 9.8 $\times$ 10^-3 N
D) 2.0 $\times$ 10² N
E) 4.7 $\times$ 10^-2 N