Posted by Jennifer on Saturday, October 31, 2009 at 4:51pm.
A 0.445 kg ice puck, moving east with a speed of 2.82 m/s, has a headon collision with a 0.918 kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed and direction of each object after the collision?
speed of the ice puck ?
Direction: west
speed of the puck ?
Direction:east

PHYSICS  bobpursley, Saturday, October 31, 2009 at 5:32pm
start with the conservation of momentum, find one of the velocities in terms of the other. Then substitue that into the energy equation, and ....work ...it ...out. Get a cup of coffee before you start.
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