soln07.1

# soln07.1 - 5 billion people (LARGE) 2.0001 gallons (SMALL)...

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RAT 1 1. In the following list, which one is a dimension? a. time b. second 2. In the following list, which one is a unit? a. time b. second

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Solution 7.1 True error 72.000 lb m /ft 3 –79.255 lb m /ft 3 = -7.255 lb m /ft 3 Fractional error -(7.255 lb m /ft 3 )/(79.255 lb m /ft 3 ) = -0.09154 Percent error - 0.09154*100% = -9.154%
Solution 7.2: How “good” are these numbers (i.e., state whether each reported number has a large or small error)? 2 gallons (LARGE)

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Unformatted text preview: 5 billion people (LARGE) 2.0001 gallons (SMALL) 100,393 people (SMALL) 600 pages (LARGE) 100,000 ft 2 (LARGE) 581 pages (SMALL) 128,462 ft 2 (SMALL) Solution 7.3 999 0.2 2.36x10 3 -0.0003679 100 or 105 or undefined? Solution 7.4 7.57 cm to 7.59 cm 7.58 0.01 cm Fractional Uncertainty = 0.01 cm/7.58 cm = 0.0013 Percent Uncertainty = 0.0013 * 100% = 0.13%...
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## This note was uploaded on 09/01/2009 for the course ENGR 111 taught by Professor Walker during the Spring '07 term at Texas A&M.

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soln07.1 - 5 billion people (LARGE) 2.0001 gallons (SMALL)...

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