# Physics

A 94.0kg fullback moving south with a speed of 5.1m/s has a perfectly inelastic collision with a 90.0kg opponent running north at 3.0m/s.
A. Calculate the velocity of the players just after the tackle.
B. Calculate the decrease in total kinetic energy after the collision.

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2. Can you us tell your answer first? Or, at least what you think?

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3. A. I got -1.1m/s = Vf
B. I am having trouble with.

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4. Hello?

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5. Can anybody help me?

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