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OpenStudy (anonymous):
A structural I-beam is made of steel. A view of its cross-section and its dimensions are shown in the figure below. As seen in the figure, L=16.1cm, H=32.8cm and the width of the beam is W=1.31cm. a) What is the mass of a section 1.50 m long? The density of steel is 7.56*10^3. b) How many atoms are there in this section? The molar mass of steel is 55.9*10^(-3) kg/mol.
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