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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 1 - Problem 19pe
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 1 - Problem 19pe

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# Express your answers to problems in this | Ch 1 - 19PE

ISBN: 9780130606204 3

## Solution for problem 19PE Chapter 1

Physics: Principles with Applications | 6th Edition

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Problem 19PE

Express your answers to problems in this section to the correct number of significant figures and proper units. (a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h , what is the percent uncertainty? (b) If it has the same percent uncertainty when it reads 60 km/h , what is the range of speeds you could be going?

Step-by-Step Solution:

Solution 19PE: Step 1 of 4 (a) The formula to find the percent uncertainty is, v % uncertainty = v × 100 Here is the speed and is the uncertainty in speed. Comment

Step 2 of 4

Step 3 of 4

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