47. Helicopter mass m = 3 tons hangs in the air. Determ

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Uploaded: 01.12.2015
Content: fiz053_47.doc (43 kB)

Description

47. Helicopter mass m = 3 tons hangs in the air. Determine the power N, the motor developing a helicopter in this position, the two values of the diameter d of the rotor 1) of 18 m; 2) 8 m. The calculation assumed that rotor ejects air downward cylindrical jet diameter equal to the diameter of the rotor.

Additional information

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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