Midterm exam Name T-number 1) Express (with the correct number of digits) the sp
ID: 1584376 • Letter: M
Question
Midterm exam Name T-number 1) Express (with the correct number of digits) the speed of light, 3.00x 108 m/s in: a) Feet per nanosecond (Im-3.281f, Ins-10s): b) Millimeters per picosecond ( 1 mm-10-3m, lps-10-12s): 2 Perform the indicated operations to the correct number of significant figures. a) 2.25+6- b) 300 x 10.6+2.25 c) 0.003/106- d) 0.0590 x 6.95-0.1 e) 640-627.03 f 12.09-6.7- 3) different measures of a period gave the following results in seconds: 2.1970, 2.5952, 2.6856, 2.3582, 2.1870, 2.0057, 2.9327,2.2176, 2.1885, 2.7347,2.9638, 2.4206, 2.2499, 2.9973, 2.8797 use your calculator to find (to the right number of digits): a) average: b) standard deviation (units (units: ) (units calculate the uncertainty of the mean: u the known value for the period is 2.1715 s; find the percentage error between average and it: %error- - Was the experiment accurate? YES NO Briefly explain your reasoning Was the experiment precise? YES NO Briefly explain your reasoningExplanation / Answer
According to the given problem,
1.) speed of light = 3*108 m/s
a) speed of light = 3*108(m/s)(3.281ft/m)(10-9s/ns) = 0.9843 ft/ns
b) speed of light = 3*108(m/s)(103mm/m)(10-12s/ps) = 0.3 mm/ps.
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