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A billiard ball has a speed of 8 m / s when it hits a second...

A billiard ball has a speed of 8 m / s when it hits a second ball at rest. After the collision, the first ball moves at 5 m / s and at an angle of 30 ° with respect to its initial direction of movement. If the collision is elastic, find the speed of the ball.

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ON 5mls from Conservahton 4 u8ms 130 momentum. X- axis miv, Cod so° m2V Coso m,u, 3.67 for x-axis V, Sin3o- V Sind Nos xSin

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