axel8340 axel8340 04-11-2022 Physics Answered 10 points A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision? 7.5 m/s 10 m/s 2.5 m/s 5 m/s Next