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Between a steel ball and a glass ball, there is a straight, central, fully elastic collision....

Between a steel ball and a glass ball, there is a straight, central, fully elastic collision. The glass ball is ahead of the heist
at rest and after the impact, it has a speed of 9.0 m/s. Calculate the speeds of the steel ball before and after the shock, if
the mass of the steel ball is three times the mass of the glass ball.

Answer 6.0m/s and 3.0m/s

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