Posts by michelle- plz help me!!
Total # Posts: 1
A bullet with a mass of 5.00* 10^ -3 kg is loaded into a gun. The loaded gun has a mass of .52 kg. The bullet is fired, causing the empty gun to recoil at a speed of 2.1 m/s. What is the speed of the bullet? ok i worked it out and get 218.4 but that answer does not appear in ...