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July 29, 2014

Homework Help: Physics

Posted by Sam on Monday, October 22, 2012 at 1:03pm.

An elastic collision occurs between two pucks on an air-hockey table. Puck A has a mass of 0.025 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.060 kg and is initially at rest. The collision is not head-on. After the collision, the two pucks fly apart with the following angles:
Puck A is 65 degrees above the x axis
Puck B is 37 degrees below the x axis

a) Find the final speed of Puck A
b) Find the final speed of Puck B

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