Question: Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. Ball A is moving upward

Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinate system. Ball A is moving upward along the y axis at 2.0m/s, and ball B is moving to the right along the x axis with speed 3.7 m/s. After the collision, assumed elastic, ball B is moving along the positive y axis (Fig 7-37). What is the final direction of ball A and what are their two speeds?

+y 'B (B

+y 'B (B "B=3.7 m/s - 2.0 m/s A.

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