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This 80 kg ice skater moving at 2.5 m/s throws a 200 g puck in the...

This 80 kg ice skater moving at 2.5 m/s throws a 200 g puck in the direction he is moving at 15 m/s relative to the ice.

a. Find the velocity of the ice skater after throwing the puck. (Ignore friction)

b. A second skater who is 60 kg initially at rest catches the puck. Find the velocity of the second skater after catching the puck.

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