Mathematics · Fluid Dynamics and Aerodynamics
A kite weighing 12.26 N has an effective surface area of 0.9 m2. The tension in the string is 32.37 N, and the string makes an angle of 45° with the horizontal. The wind speed is 32 km/h. If the density of air is 1.203 kg/m3, find the coefficients of drag (CD) and lift (CL).
- 1CD = 0.72, CL = 0.41
- 2CD = 0.535, CL = 0.822✓
- 3CD = 0.45, CL = 0.71
- 4CD = 0.32, CL = 0.58
Correct answer
CD = 0.535, CL = 0.822
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