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The tensile strength of a wrought iron bar varies directly as the square of its diameter. A bar of diameter 2 inches can withstand a load of approx. 360,000 lbs. What load can a bar of diameter 3 inches
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The tensile strength of a wrought iron bar varies directly as the square of its diameter. A bar of diameter 2 inches can withstand a load of approx. 360,000 lbs. What load can a bar of diameter 3 inches withstand?

User MigMit
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640,000 lbs is the answer to this question
User Johann Dirdal
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