The standard kilogram is a platinum-iridium cylinder 39.0mm in height and 39.0mm in diameter. What is the density of the material?© BrainMass Inc. brainmass.com December 24, 2021, 4:48 pm ad1c9bdddf
Solution. The kilogram is defined by a platinum-iridium cylinder, cast in England in 1889. So, if the standard kilogram is a platinum-iridium ...
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