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In the game of snooker, all the balls have approximately the same mass. In the figure below, th ...
In the game of snooker, all the balls have approximately the same mass. In the figure below, the white ball travelling with a speed of 3.0m/s strikes a black ball that is at rest and follows the path shown. The white ball has a speed of 1.5m/s immediately after the collision, 30? above the positive x-axis. Calculate the speed and direction (?) of the black ball after the collision? [6]
Let's assume both the white ball and the black ball have equal mass, denoted as m.
Using the conservation of momentum, we can write:
where is the angle at which the black ball moves after the collision. Simplifying we get,