Physics, asked by haideralikhan, 1 year ago

consider a radioactive nucleus moves with a constant speed of 0.5c relative to the laboratory frame. The nucleus decays and emits an electron with a speed of 0.9c relative to the nucleus along the direction of motion. find the velocity of the electron in the laboratory frame

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Answered by anurag2347
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0.15 is answer of this question
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