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How fast must a proton move so that its kinetic energy is 70% of its total energy? I thought it would be 0.7c but that is wrong. I really don't know how to do this type of problem and my text book isn't
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How fast must a proton move so that its kinetic energy is 70% of its total

energy?

I thought it would be 0.7c but that is wrong. I really don't know how to do this type of problem and my text book isn't any help.

User Paul Shealy
by
4.4k points

1 Answer

10 votes

Try this solution, all the details are in the attachment. note, the answer is marked with orange colour. If it is possible, check the provided solution in other sources.

Answer: ≈0.81c.

User Ana Borges
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