## Related questions with answers

Question

A good-quality measuring tape can be off by 0.50 cm over a distance of 20 $. What is its percent uncertainty?

Solution

VerifiedAnswered 5 months ago

Answered 5 months ago

Step 1

1 of 2$x = 20 \, \mathrm{m} = 2000 \, \mathrm{cm}$

$\delta x = 0.50 \, \mathrm{cm}$

$\% \, \mathrm{unc} = \frac{\delta x}{x} \cdot 100 \% = \frac{0.50 \, \mathrm{cm}}{2000 \, \mathrm{cm}} \cdot 100 \% = 0.025 \%$

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