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QUESTION
One billiard ball is shot east at 2.20 m/s. A second, identical billiard ball is shot west at 1.16 m/s.
One billiard ball is shot east at 2.20 m/s. A second, identical billiard ball is shot west at 1.16 m/s. The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90degees and sending it north at 1.59 m/s.What is the speed of the first ball after the collision?What is the direction of the first ball after the collision? Give the direction as an angle south of east.
