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Physics, 23.10.2019 18:00 weeman6546

A238 92u nucleus is moving in the x-direction at 5.0 × 105 m/s when it decays into an alpha particle 4 2he and a 234 90th. if the alpha particle moves off at 21.2° above the x axis with a speed of 1.4 × 107 m/s, what is the recoil velocity of the thorium nucleus? assume the uranium-thorium-alpha system is isolated; you may also assume the particles are pointlike.

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A238 92u nucleus is moving in the x-direction at 5.0 × 105 m/s when it decays into an alpha particle...
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