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Finding velocity and kinetic energy of hockey player

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Hockey player A has a mass of 104 kg, initial velocity of 37 km/h N skating towards player B.
Hockey player B has a mass of 86 kg, initial velocity of 0 (not moving).

After body check, Player A has a final velocity of 15 km/h, 35 degrees W of North. What is final velocity of Player B after the collison?

What is the kinetic energy of players before & after the collision?

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Solution Preview

Let the velocity of player A before collision is vA1 and is vA2 after collision. Let the velocity of player B after collision is vB2.

vA1 = 37 (km/h) = 37*1000/3600 (m/s) (this is where you did wrong)
= ...

Solution Summary

Provides steps necessary to determine velocity and kinetic energy.

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