The built$-$up beam in $($Figure $1)$ is subjected to an internal moment of $M=60kN*m.$

Part A

Determine the maximum tensile stress acting in the beam.

Express your answer to three significant figures and include appropriate units.

$({}_{\text{m}\text{a}\text{x}}{)}_t=$ Value

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Figure

$1$ of $1$

Part B

Determine the maximum compressive stress acting in the beam.

Express your answer to three significant figures and include appropriate units.

$({}_{\text{m}\text{a}\text{x}}{)}_c=$

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