Asample of shale contains 0.03% 238u by weight. calculate the number of spontaneous fissions in one day in a 106 kg pile of the shale by determining the following quantities. the density of uranium is 19 g/cm3. the spontaneous fission activity rate is 0.69 fissions/(kg·s).
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Determine the time it takes for a satellite to orbit the earth in a circular "near-earth" orbit. the definition of "near-earth" orbit is one which is at a height above the surface of the earth which is small compared to the radius of the earth, so that you may take the acceleration due to gravity as essentially the same as that on the surface. does your result depend on the mass of the satellite?
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Asample of shale contains 0.03% 238u by weight. calculate the number of spontaneous fissions in one...
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