A running back with a mass of 80 kg and a speed of 8 m/s collides with,
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A running back with a mass of 80 kg and a speed of 8 m/s collides with, and is held by, a 120-kg defensive tackle going in the opposite direction. How fast must the tackle be going before the collision for their speed afterward to be zero?
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To solve this problem we can use the principle of conservation of momentum which states that the tot...View the full answer
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