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August 2, 2015

Homework Help: physics please help

Posted by joshua on Sunday, November 7, 2010 at 3:33pm.

The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.030 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 0.055 kg and is initially at rest. The collision is not head-on. After the collision, the two pucks fly apart with the angles shown in the drawing.



(a) Find the final speed of puck A.
(b) Find the final speed of puck B.

im confused because i see two unknowns as to how to sole this please help thanks.

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