Define 1 standard kg

asked Jan 2, 2018 30.2k views

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by Menma

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4 votes

Answer:

The mass of a platinum iridium alloy whose height is equal tp its diameter

Comonadd answered Jan 4, 2018

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3 votes

The mass of a particular international prototype made of platinum-iridium and kept at the International Bureau of Weights and Measures.

Marc Polizzi answered Jan 8, 2018

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