The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is

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The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by Fd= Cd A ½ ρV2 Where Cd is a constant called the drag coefficient, A is the projected frontal area of the vehicle, and ρ is the air density. Determine the power, in kW, required to overcome aerodynamic drag for a truck moving at 110 km/h, if Cd = 0.65, A = 10 m2, and ρ= 1.1kg/m3.
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Conceptual Physical Science

ISBN: 978-0134060491

6th edition

Authors: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt

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