A proton (mass of 1.67 x 10-27 kg) is moving at 1.25 x 106 m/s directly toward a stationary helium nucleus (mass 6.64 x 10-27 kg). After a head-on elastic collision, what is the velocity of the proton in m/s? In the previous problem, what is the velocity of the helium nucleus in m/s

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Lets solve the problem step by step 1 Conservation of Momentum Initial momentum ... View the full answer