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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 13 - Problem 7p
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 13 - Problem 7p

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# A concrete highway is built of slabs 12 m long (20°C). How

ISBN: 9780130606204 3

## Solution for problem 7P Chapter 13

Physics: Principles with Applications | 6th Edition

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Problem 7P

Problem 7P

A concrete highway is built of slabs 12 m long (20°C). How wide should the expansion cracks between the slabs be (at 20°C) to prevent buckling if the range of temperature is −30°C to +50°C?

Step-by-Step Solution:

Solution Step 1: Now, M fish V fishd fish M = V ×1080 ( given , d = 1080 kg/m )3 fish fish fish Also, M = V ×d air air air 3 0 M air= V air1.20 ( given d air= 1.20 kg/m at 20 C) Now, substituting these values in equation (1), d fishair (V fish1080+V air×1.20)/(V fish+V air…..(2)

Step 2 of 2

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