Definition of drag coefficient
: a factor representing the drag acting on a body (such as an automobile or airfoil)
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Aero power, or the power needed to overcome air resistance, is a function of drag (Cd, the drag coefficient), the athlete’s frontal area (A), and his running speed (V) as described by the equation Aero Power = 0.5 x air density x CdA x V3.
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First Known Use of drag coefficient
1937
Learn More about drag coefficient
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Britannica.com: Encyclopedia article about drag coefficient
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