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Mathematics, 19.07.2019 17:40 brilove47
Planners of an experiment are evaluating the design of a sphere of radius r that is to be filled with helium (0°c, 1 atm pressure). ultrathin silver foil of thickness t will be used to make the sphere, and the designers claim that the mass of helium in the sphere will equal the mass of silver used. assuming that t is much less than r, calculate the ratio t/r for such a sphere.
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