A ball moving to the right at 22.0m/s overtakes a second ball moving in the same direction at a speed 10.0 m/s. The second ball has twice the mass of the first. If after the collision the balls separate with a relative speed 9.60 m/s , find the speed of each. Assumer the collision is 1D. What is the coefficient of restitution ? What fraction of the kinetic energy is lost ?

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