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Physics, 10.10.2019 00:00 genyjoannerubiera

Asatellite in orbit could derive its energy from a very strong radioactive source of alpha particles. suppose that 30 w (two significant digits) of electrical power are to be produced with 5.0% efficiency by conversion of the (kinetic) energy of the alpha particles. if the energy of each alpha particle is 5.5 mev, how many particles must be emitted by the source per second?

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