A billiard ball that weighs about 0.50 kg slides without rolling along a frictionless surface at a velocity of 3.5 m/s. It hits a stationary billiard ball of the same mass. After the collision, the first ball is redirected 45 degrees to the west side of its initial direction, while the second ball is redirected 45 degrees to the east side of the first ball’s initial direction. Both balls have the same speed after the collision, and both slide without rolling.Find the speed of either ball. If the first billiard ball had been rolling instead of just sliding, explain how that might change your answer above.
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