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Two objects, both mass m, are going opposite, parallel directions at a speed v. They simultaneously...

Two objects, both mass m, are going opposite, parallel directions at a speed v. They simultaneously hit and stick to a rod of length L and mass M. The rod is positioned perpendicular to the paths of the two objects.

a) What happens to the total momentum and angular momentum in the collision? What are the initial and final values?

b) Is any mechanical energy lost in the collision? If not, why not? If so, how much?

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