One billiard ball is shot east at 2.0 m/s. a second, identical billiard ball is shot west at 0.8 m/s. the balls have a glancing collision, not a head-on collision, deflecting the second ball by 90° and sending it north at 1.55 m/s. what are the speed and direction of the first ball after the collision?
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One billiard ball is shot east at 2.0 m/s. a second, identical billiard ball is shot west at 0.8 m/s...
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