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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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The x coordinate of an electron is measured with an uncertainty of 0.200 mm . what is vx, the x component of the electron's velocity, if the minimum percentage uncertainty in a simultaneous measurement of vx is 1.00 % ? use the following expression for the uncertainty principle:
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How long did the mixture boil...
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