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The helicopter shown has a mass and hovers in position by imparting downward momentum
The helicopter shown has a mass and hovers in position by imparting downward momentum to a column of air defined by the slipstream boundary shown. Find the downward velocity given to the air by the rotor at a section in the stream below the rotor, where the pressure is atmospheric and the stream radius is . Also find the power required of the engine. Neglect the rotational energy of the air, any temperature rise due to air friction, and any change in air density .
Видео The helicopter shown has a mass and hovers in position by imparting downward momentum канала solverfy
Видео The helicopter shown has a mass and hovers in position by imparting downward momentum канала solverfy
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6 мая 2026 г. 15:44:07
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