Question: we have a rectangular metal sheet that is forming a wall with length along the base of 3 2 feet and height of 2 0

we have a rectangular metal sheet that is forming a wall with length along the base of 32 feet and height of 20 feet. the density of the metal sheet depends on the height form the base given by y =(40-y), when you are y feet above the base. Write a Riemann sum that approximates the mass of the sheet. Set up a definite integral that will calculate the mass of the sheet. Use the fundamental theorem of calculus to find the mass of the sheet .

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