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! Required information Problem 10.021 - Buckling Under Mixed X/Y Boundary Conditions The uniform brass bar

`AB`

has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. Problem 10.021.a - Buckling Under Mixed X/Y Boundary Conditions Determine the ratio

`(b)/(d)`

for which the factor of safety is the same about the horizontal and vertical axes. (Round the final answer to two decimal places.) The ratio b/d is Problem 10.021.b - Buckling Under Mixed X/Y Boundary Conditions Determine the factor of safety if

`P=1.9kips,L=7ft,d=1.5in`

., and

`E=15\times 10^(6)\psi `

. (Round the final answer to two decimal places.) The factor of safety is (I have solve the first question please solve another question Problem 10.021.b)