Compute the final speed of the electron

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In a particluar x-ray tube, an electron approaches the target moving at 1.95 ? 108 m/s. It slows down on being deflected by a nucleus of the target, emitting a photon of energy 25 keV. Ignoring the nuclear recoil, but not relativity, compute the final speed of the electron.

___________m/s

Reference no: EM13337762

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