The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by Fd= CdApV2/2where Ca is a constant called the drag coefficient, A is the projected frontal area of the vehicle, and pis the air density. An automobile is moving at V = 60 miles per hour with Ca = 0.28, A = 27 ft2, and p = 0.075 Ib/ft³. Determine the force, in Ibf, and the power, in hp, required to overcome aerodynamic drag.

Elements Of Electromagnetics
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The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by Fd= CdApV2/2where Ca is a
constant called the drag coefficient, A is the projected frontal area of the vehicle, and p is the air density. An automobile is moving at V
= 60 miles per hour with Ca = 0.28, A = 27 ft2, and p = 0.075 Ib/ft³.
Determine the force, in Ibf, and the power, in hp, required to overcome aerodynamic drag.
Transcribed Image Text:The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by Fd= CdApV2/2where Ca is a constant called the drag coefficient, A is the projected frontal area of the vehicle, and p is the air density. An automobile is moving at V = 60 miles per hour with Ca = 0.28, A = 27 ft2, and p = 0.075 Ib/ft³. Determine the force, in Ibf, and the power, in hp, required to overcome aerodynamic drag.
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