A ball with a mass of #3 kg # and velocity of #9 m/s# collides with a second ball with a mass of #7 kg# and velocity of #- 2 m/s#. If #80%# of the kinetic energy is lost, what are the final velocities of the balls?
1 Answer
Jul 19, 2017
I tried this but check my maths anyway.
Explanation:
Have a look:
I also got two other solutions but they do not seem correct.