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A rod extending between x = 0 and x = 15.0 cm has uniform cross-sectional area A = 8.50 cm2. Its density increases steadily between its ends from 3.00 g/cm3 to 20.0 g/cm (a) Identify the constants B and C required in the expression pBCx to describe the variable density. B-3.00 C 1.133333 g/cm /cm4 (b) The mass of the rod is given by (B + cx)(8.50 cm2) dx all material Carry out the integration to find the mass of the rod 2.549999X Your response differs from the correct answer by more than 10%. Double check your calculations. kg1

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