Total momentum of cannon and cannon ball after collision = 0 kg m/s (because momentum is conserved) Momentum of cannon ball after firing = 4.0 × 120 = 480 kg m/s Momentum of cannon after firing ...
Total momentum of cannon and cannon ball after collision = 0 kg m/s (because momentum is conserved) Momentum of cannon ball after firing = 4.0 × 120 = 480 kg m/s Momentum of cannon after firing ...