What is the heliums velocity

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A proton (mass 1.67 × 10 ?27kg) is moving at 1.15 ×10 ?6m/s directly toward a stationary helium nucleus (mass 6.64 × 10 ?27kg).

a.) After a head-on elastic collision, what is the proton's velocity?

b.) After a head-on elastic collision, what is the helium's velocity?

Reference no: EM13330611

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