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a bus travels at 85 km/hr in standard air. the frontal area of the vehicle is 7.2 m2, and the drag coefficient is 0.95. calculate the drag force on the vehicle. how much power is required to overcome the aerodynamic drag?

Sagot :

Frontal region A may be calculated by multiplying the width and height of a rectangle that encircles the front of an automobile by 0.85 to get a rough idea of the frontal projection of the area of the car.

When looking at the car from a direction normal to the front grills, you will see this area. The coefficient used to calculate resistance as an object moves through a fluid is called the drag coefficient and is represented by the letter Cd. Because the coefficient of drag has no dimensions, it can be used to calculate aerodynamic drag as well as the effects of form, tilt, and flow conditions. A drag coefficient can be used to express how the drag force and an object's motion are related.

Learn more about resistance here-

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