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A hockey puck of mass 1 kg is traveling at 2 m/s in a direction 40º...

A hockey puck of mass 1 kg is traveling at 2 m/s in a direction 40º south of east. It collides with a stationary puck of mass 0.9 kg. After the collision, the 1 kg puck is traveling at an angle of 60º south of west at a speed of 0.8 m/s. What is the speed and direction of the 0.9 kg puck?

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