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| Teaching Since: | May 2017 |
| Last Sign in: | 408 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A concrete slab of uniform thickness weighs 20,000 lb and is supported by two steel rods, as shown. The initial length of rod AB is 2 ft. The initial length of rod CD is 3 ft. Rod AB has an area of 1 in. and rod CD has an area of 2 in2. Calculate
a. the elongation of each rod.
b. the required ratio of the areas of AB and CD so that the elongation of each bar is the same.

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