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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 3.2 - Problem 7e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 3.2 - Problem 7e

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# A force of F = 2.2 ± 0.1 N is applied to a block for a ISBN: 9780073401331 38

## Solution for problem 7E Chapter 3.2

Statistics for Engineers and Scientists | 4th Edition

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Problem 7E

Problem 7E

A force of F = 2.2 ± 0.1 N is applied to a block for a period of time, during which the block moves a distance d = 3 m, which is measured with negligible uncertainty. The work W is given by W = F d. Estimate W, and find the uncertainty in the estimate.

Step-by-Step Solution:

Solution :

Step 1 of 1:

The work is given by

W=Fd

Where,

F is the force applied to the block for a period time.

So F=2.2 0.1N

Here F=2.2 and and

d is the distance.

So d=3 m.

Our goal is :

We need to estimate W and the uncertainty in the estimate.

Now we have to estimate W and

We have to find the uncertainty in the estimate.

The work estimated is

W=F d

We know that F=2.2 N and d=3m.

W=(2.2 N 3 m )

W=6.6 Nm.

Therefore the estimate of W is 6.6 Nm.

Then the uncertainty in the estimate is    Therefore the uncertainty in the estimate is 0.3 Nm.

Step 2 of 1

##### ISBN: 9780073401331

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