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phys: make uncertainties operations more clear

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eggy 2020-09-20 20:54:50 -04:00
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@ -119,8 +119,7 @@ To determine a measurement's absolute uncertainty, if:
- A ruler has millimetre markings. A pencil placed alongside the ruler has its tip just past 14 mm but before 15 mm. The pencil is 14.5 mm ± 0.5 mm long. - A ruler has millimetre markings. A pencil placed alongside the ruler has its tip just past 14 mm but before 15 mm. The pencil is 14.5 mm ± 0.5 mm long.
- A digital scale reads 0.66 kg for the mass of a human body. The human body has a mass of 0.66 kg ± 0.01 kg. - A digital scale reads 0.66 kg for the mass of a human body. The human body has a mass of 0.66 kg ± 0.01 kg.
!!! info See [Dealing with Uncertainties](/resources/g11/physics-uncertainties.pdf) for how to perform **operations with uncertainties**.
See [Dealing with Uncertainties](/resources/g11/physics-uncertainties.pdf) for how to perform operations with uncertainties.
### Error bars ### Error bars