Units, Prefixes and Scientific Notation - Marshallsay Physics

It is important that we always write down the units that we are using, and convert to the. appropriate units when necessary. Here are some SI units we’ll be using: Quantity. Symbol. Unit. Unit symbol. Distance. d. metre. m. Mass. m. kilogram. kg. ... hours to seconds. x hours by (60 x 60) days to seconds. x days by (24 x 60 x 60) years to ... ................
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