Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN: 9781305116399
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 1.10OQ
A calculator displays a result as 1.365 218 0 X 107 kg. The estimated uncertainty in the result is ±2%. How many digits should be included as significant when the result is written down? (a) zero (b) one (c) two (d) three (e) four
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(a)
How many significant figures are in the numbers 999.0 and 1000.0?
999.01000.0
(b)
If the uncertainty in each number is 10, what is the percent uncertainty in each? (Give your answer to 4 significant figures.)
999.0 %1000.0 %
(c)
Which is a more meaningful way to express the accuracy of these two numbers, significant figures or percent uncertainties?
The radius of a circle is measured to be (10.1 ± 0.3) m. Calculate each of the following and give the uncertainty in each value.
(a) the area of the circle
(No Response) m² + (No Response) m²
(b) the circumference of the circle
(No Response) m ± (No Response) m
(a) What is the area and uncertainty in area of one side of a rectangular plastic brick that has a length of (21.41 0,2) cm and a width of (9.5 10.1) cm? (Give your
answers in cm² y
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(b) What If? If the thickness of the brick is (1.22 0.1) cm, what is the volume of the brick and the uncertainty in this volume? (Give your answers in om
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Chapter 1 Solutions
Physics for Scientists and Engineers, Technology Update (No access codes included)
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