A 1200-Kg Cannon Suddenly Fires A $\text { 100-kg }$ Cannonball At

Multiple Choice

A 1200-kg cannon suddenly fires a $\text { 100-kg }$ cannonball at $35 \mathrm {~m} / \mathrm { s }$ What is the recoil speed of the cannon? Assume that frictional forces are negligible and the cannon is fired horizontally.

A) 2.9 m/s
B) 35 m/s
C) 3.5 m/s
D) 3.2 m/s