If the electrons travel in the lab through a tube 25 km

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a) what is the speed, v, of an electron whose kinetic energy is 1.5*10^4 times its rest energy? You can state the difference, Linear Accelerator SLAC. [Hint: use the binomial expansion]

b) If the electrons travel in the lab through a tube 2.5 km long (as at SLAC), how long is this tube in the electron' reference frame?

Reference no: EM13628412

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