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Unformatted text preview: meters) to a height of 6 meters. Assume that the density of the building material is 5000kg / m 3 and that the gravitational acceleration is 10m / s 2 . a) Calculate the work needed to construct the ramp. b) How long will it take at least to construct this ramp if one uses a 10 horse power machine to lift the material ? (1 horse power =750 Watts). IV: (25 points) Consider the region R that is bounded above y = √ 2x , below by the x axis and on the side by x = 0 and x = 1. a) Calculate the volume of the solid that is generated by rotating R about the y axis. b) Calculate the volume of the solid generated by revolving the region R about the x axis....
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 Fall '08
 N/A
 Calculus, Approximation, Euclidean geometry, 0 meters, Provide√ exact answers

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