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Solution of basic special relativity problem
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[QUOTE="TSny, post: 5949580, member: 229090"] Your work looks very good to me. I think you have answered part (iv) pretty well. The gold nucleus must recoil with a small velocity in order to conserve linear momentum. But the kinetic energy of this recoil is very small. Your answer for (iii) does not include a sufficient number of significant figures. The result is closer to 3.00 x 10[SUP]8[/SUP] m/s than to 2.99 x 10[SUP]8[/SUP] m/s. Instead of expressing your velocities in terms of m/s, it would be nicer to express them as fractions of c. [/QUOTE]
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Solution of basic special relativity problem
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