Physical Science
posted by jordan .
A hockey puck moving at 28 m/s is caught by an 80.00 kg man who was at rest. The man and puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity?

The law of conservation of linear momentum for so called inelastic collision:
m•v= (m +M)•u
u =m•v/(m+M)
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