Physics, 04.05.2020 22:55 jessicathegr823
Starting with 100 grams of uranium-238, after one half life has gone by, how many grams of uranium-238 will remain?
125 grams
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In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
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Starting with 100 grams of uranium-238, after one half life has gone by, how many grams of uranium-2...
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