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Link $AB,$ of width $b=2in.$ and thickness $t=\frac{1}{4}$ in$.,$ is used to support the end of a horizontal beam. The average normal

stress in the link is $-17$ ksi and the average shearing stress in each of the two pins is $12$ ksi $.$

NOTE: This is a multi$-$part question. Once an answer is submitted, you will be unable to return to this part.

Determine the diameter $d$ of the pins.

The diameter $d$ of the pins is