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The measured resistance force of the automobile moving with a speed corresponding to the Mach number of M = 0,075 is R = 511 Newtons.

The measured resistance force of the automobile moving with a speed corresponding to the Mach number of M = 0,075 is R = 511 Newtons. The weight density of the air is = 1,297 kgf/m3 . given. In the cross-section of the car, its width is 2,055 m. and its height is 1,628 m. The Radius of curvature of the right and left upper corners is 25 cm. Find the resistance coefficient CR.

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