A billiard ball moving at 5.20 m/s strikes a stationary ball of the same mass. After the
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Question:
A billiard ball moving at 5.20 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.41 m/s at an angle of 32.0o with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and rotational motion), find the struck ball's speed after the collision.
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