Anonymous
Anonymous asked in Science & MathematicsChemistry · 2 months ago

Convert 32.5lb/ft2 to N/cm2 using dimensional analysis. Use 1lb = 4.448,  1in = 2.54cm, 1ft = 12in to solve. ?

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  • 2 months ago

    you are missing a few

    1 lb = 0.454 kg

    1 kg = 9.8 N (on the surface of earth)

    32.5lb/ft² x 0.454 kg/lb x 9.8 N/kg x (1 ft/12 in)² x (1 in/2.54 cm)² = 0.156 N/cm²

    but check the math

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