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At least one of the answers above is NOT correct. 2 of the questions remain unanswered. Use differentials to estimate the amount of material in

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At least one of the answers above is NOT correct. 2 of the questions remain unanswered. Use differentials to estimate the amount of material in a closed cylindrical can that is 50 cm high and 20 cm in diameter if the metal in the top and bottom is 0.1 cm thick, and the metal in the sides is 0.1 cm thick. Note, you are approximationg the volume of metal which makes up the can (i.e. melt the can into a blob and measure its volume), not the volume it encloses. The differential for the volume is dV = 2arh dr+ 7- 2 dh (enter your answer in therms of r and h ) dr and dh = (be careful) The approximate volume of material is 67.831 cm Note: You can earn partial credit on this

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