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A compact car, mass 825 kg, moving south at 15 m/s, is struck by a full-sized car, mass 1588 kg, moving east at 12 m/s. The two cars stick together, and momentum is conserved in the collision. A.Find...

A)   A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the nucleus is 14.0 fm. If the proton is fired at a speed...

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