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Billiard ball A strikes another ball B of the same mass, which is at rest, such...

Billiard ball A strikes another ball B of the same mass, which is at rest, such that after the impact they move at angles ΘA and ΘB respectively. The velocity of ball A after impact is 4.10 m/s at an angle ΘA = 32.0 ° while ball B moves with speed 4.20 m/s. Figure showing a layout of the problem as described in text What is ΘB (in degrees)? What is the original speed of ball A before impact?

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