A g ray photon emitted by 226 88 Ra has an energy of 0.186 MeV. Use conservation
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A g ray photon emitted by 22688Ra has an energy of 0.186 MeV.
Use conservation of linear momentum to calculate the recoil speed of a 22688Ra nucleus after such a g ray is emitted. Assume that the nucleus is at rest initially, and that relativistic effects can be ignored.
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