A 5 kg and a 3 kg mass collide head on, with the 5 kg mass moving at an initial speed of 15 m/s and the 3 kg mass moving at an initial speed of 10 m/s. Answer the following questions:
a) If the collision is completely inelastic, what is the final speed and direction of each mass?
b) If the collision is elastic, what is the final speed and direction of each mass?
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