A student measures a stack of 100 pages in a text book with a ruler and finds th

Question

A student measures a stack of 100 pages in a text book with a ruler and finds the stack is 5.0 mm in thickness. What is the thickness of a single page with an error estimate? (a) (0.05 plusminus 0.01) mm (b) (0.05 plusminus 0.05) mm (c) (0.050 plusminus 0.001) mm (d) (0.050 plusminus 0.005) mm (e) None of the above Suppose you measure x to be (3.0 plusminus 0.1) and then calculate q = e^3. What is q with its uncertainty? (a) (20.086 plusminus 0.001) (b) (20.086 plusminus 0.005) (c) (20.1 plusminus 0.1) (e) None of the above. Given g = (9.80 plusminus 0.01) m/s^2, how precisely do you need to determine the mass of a roughly 1700 kg object so that the error in the weight is 20 newtons? (In other words, what is delta m, the uncertainty in the mass?) (a) 1 kg (b) 2 kg (c) 3 kg (d) 4 kg (e) None of the above

Explanation / Answer

17) here we have t = (5 +/- 1) /100 mm

= (0.05 +/- 0.01) mm

Option a Answer

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