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A billiards ball of mass 0.2 kg strikes, another initially stationary ball of the same mass....

A billiards ball of mass 0.2 kg strikes, another initially stationary ball of the same mass. The first ball is deflected and travels at an angle of 60o with its original direction. Its initial speed was 5.0 m/s and after the collision, it is 3.0 m/s. What are the magnitude and direction of velocity of the second ball after collision?

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