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A proton (with a rest mass m=1.67×10−27kg) has a total energy that is 4.00 times its rest energy. Part A What is the kinetic energy Ek of the proton? Express your answer in billions of electron volts to three significant figures. Ek= ???? Part B What is the magnitude of the momentum p of the proton? Express your answer in kilogram-meters per second to three significant figures. p= ????? Part C What is the speed v of the proton? Express your answer as a fraction of the speed of light to four significant figures. v= ????
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