When a rifle is fired, it recoils as the bullet is set in motion. The rifle and bullet ideally acquire equal Physics When a rifle is fired, it recoils as the bullet is set in motion. The rifle and bullet ideally acquire equal A) but opposite amounts of momentum. B) amounts of kinetic energy. C) both of these D) neither of these Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+