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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 3 - Problem 17se
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 3 - Problem 17se

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# The flow rate of water through a cylindrical pipe is given ISBN: 9780073401331 38

## Solution for problem 17SE Chapter 3

Statistics for Engineers and Scientists | 4th Edition

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Problem 17SE

The flow rate of water through a cylindrical pipe is given by Q =πr2v, where r is the radius of the pipe and v is the flow velocity.

a. Assume that r = 3.00 ± 0.03 m and v = 4.0 ± 0.2 m/s. Estimate Q, and find the uncertainty in the estimate.

b. Assume that r = 4.00 ± 0.04 m and v = 2.0 ± 0.1 m/s. Estimate Q, and find the uncertainty in the estimate.

c. If r and v have not been measured, but it is known that the relative uncertainty in r is 1% and that the relative uncertainty in v is 5%, is it possible to compute the relative uncertainty in Q? If so, compute the relative uncertainty. If not, explain what additional information is needed.

Step-by-Step Solution:

Step 1 of 6:

Given that, the flow rate of water through a cylindrical pipe is given by Where, r is the radius of the pipe and v is the flow velocity.

Step 2 of 6

Step 3 of 6

##### ISBN: 9780073401331

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