Question: A new experimental 2 5 0 0 - lb car, with C _ D = 0 . 4 5 and A _ f = 2

A new experimental 2500-lb car, with C_D =0.45 and A_f =25 ft^2, is traveling at 90 mi/h down a 10% grade. The coefficient of road adhesion is 0.7 and the air density is 0.0024 slugs/ft^3. The coefficient of rolling resistance is 0.0145. The braking mass factor is 1.04. The angle of grade is 5.71 degrees. The car has an advanced antilock braking system that gives it a braking efficiency of 100%. What is the minimum theoretical stopping distance with aerodynamic resistance? (K_a =0.014)(Report your answer in ft.)

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