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Unformatted text preview: . dt dV β β = Initial volume = 18.5 gal. = 70 L Integration: β« β« = = = = β = + V 70 V t t t max dt V 0008 . 177 . dV where t max is the time at which the tank will be empty (i.e. V = 0 ). Integrating, we get: s min 344 70 0008 . 177 . 0008 . 177 . ln . 0008 . 1 t max = Γ + Γ + β = Since this is less than the required driving time, the student will not make it without stopping. He would require 373344 = 29 mins (0.483 hrs) more, so he would have to stop 0.483x70 = 34 miles short of the destination....
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 Fall '08
 Staff
 Litre, Imperial units, Gallon, Minute, Hour

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