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Unformatted text preview: .,.~. . the heig11fof the vertical blade I(x), y y = /(t), heightof verticalblade--------t ..f A(x) = cleared area a x . The rate at which the wiper blade on a bus clears the windshield of rain as the blade moves past x is the height of the blade. In symbols, dA/dx =f(x)....
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- Fall '08