Determine the horsepower developed by a passenger car traveling at a speed of 65 mi/h on an upgrade of 9 percent with a smooth pavement. The weight of the car is 3,000 lb and the cross-sectional area of the car is 35 ft2. (Assume the density of air is 0.0766 lb/ft3, and the aerodynamic drag coefficient is 0.4. Use the following equation for the rolling resistance Rr in lb:Rr = (Crs + 2.15Crvu2)Wfor which Crs = 0.012, Crv = 0.650 ✕ 10−6 sec2/ft2, u is the vehicle speed in mi/h, and W is the weight of the vehicle in lb.) hp Determine the horsepower developed by a passenger car traveling at a speed of 65 mi/h on an upgrade of 9 percent with asmooth pavement. The weight of the car is 3,000 lb and the cross-sectional area of the car is 35 ft². (Assume the densityof air is 0.0766 lb/ft³, and the aerodynamic drag coefficient is 0.4. Use the following equation for the rolling resistance R inlb:R = (Crs + 2.15Cu²)Wfor which Crs= 0.012, CÃ = 0.650 × 10−6 sec²/ft², u is the vehicle speed in mi/h, and W is the weight of the vehicle in lb.)hpNeed Help?Read ItWatch It

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Answered: Determine the horsepower developed by a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Determine the horsepower developed by a passenger car traveling at a speed of 65 mi/h on an upgrade of 9 percent with a smooth pavement. The weight of the car is 3,000 lb and the cross-sectional area of the car is 35 ft². (Assume the density of air is 0.0766 lb/ft³, and the aerodynamic drag coefficient is 0.4. Use the following equation for the rolling resistance R_r in lb:

R_r = (C_rs + 2.15C_rvu²)W

for which C_rs = 0.012, C_rv = 0.650 ✕ 10⁻⁶ sec²/ft², u is the vehicle speed in mi/h, and W is the weight of the vehicle in lb.)