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Assignment 2 of chapter 5 A simply supported beam with square sections is subjected to uniform loads. If [?]=6[?], try to determine the ratio L/a when the maximum normal stress and the maximum shearing stress of the beam reach their allowable stresses simultaneously.

          Assignment 2 of chapter 5
A simply supported beam with square sections is subjected to uniform loads. If [?]=6[?], try to determine the ratio L/a when the maximum normal stress and the maximum shearing stress of the beam reach their allowable stresses simultaneously.
        
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Assignment 2 of chapter 5
A simply supported beam with square sections is subjected to uniform loads. If [?]=6[?], try to determine the ratio L/a when the maximum normal stress and the maximum shearing stress of the beam reach their allowable stresses simultaneously.

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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Mechanics of Materials Assignment 2 of Chapter 5 A simply supported beam with square sections is subjected to uniform loads. If L = 6a, try to determine the ratio L/a when the maximum normal stress and the maximum shearing stress of the beam reach their allowable stresses simultaneously.
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Transcript

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00:01 In this question we have given that internal energy of n1 moles of hydrogen at temperature t is equal to the internal energy of n2 of helium at temperature 2 t then we have to find the ratio of n1 and n2 as we know that internal energy of n moles of an ideal gas at temperature t is given by that is u is equals to f by 2 into this is n r t here f is the degree of freedom so we can say that we have given that u1 is equals to u2 so we can say that u1 is equals to u2 so u1 is this is f1 n1 t1 is equal to this will comes out to be f2 n2 n2 into t2 now we can say that f2 is degree of freedom of helium and this is equals to 3 and f1 is the degree of freedom of h2 and this is equal to 5...
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