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Find the mass of a solid of revolution y = x^2 about the y-axis with a...

Find the mass of a solid of revolution y = x^2 about the y-axis with a height of 4 m. Assume the
solid is made of aluminum (? = 2.7 g/cm3)

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Answer #1

By using the disk method for finding the vollume of solid of revolution. we can calculate the vollume of solid as

Since the density of the solid is 2.7 g/cm3

density of the solid = 2700 Kg/m3

since

Mass of the solid is

So the mass of the solid of revolution is equal to 67858.40 Kg

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