Posted by **kago** on Thursday, October 20, 2011 at 11:28pm.

A 0.490 kg hockey puck, moving east with a speed of 5.80 m/s, has a head-on collision with a 0.870 kg puck initially at rest. Assume a perfectly elastic collision. (Let east be the +x direction.)

(a) What will be the speed of each object after the collision?

0.490 kg puck

0.870 kg puck

(b) What will be the direction of each puck after the collision?

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