A billiard ball moving at a speed of 6.6...

A billiard ball moving at a speed of 6.6 ms–1 strikes an identical stationary ball a glancingblow. After the collision, one ball is found to be moving at a speed of 3.3, ms–1 in a direction making an angle of 60º with the original line of motion. The velocity of the other ball is

`4.4 ms^(-1)`

`6.6ms^(-1)`

`3.3ms^(-1)`

`5.7ms^(-1)`

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