Physics, 16.02.2021 02:20 spazzinchicago
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.53 m and 1.06 m, respectively. The respective rotational speeds are 443 rev/min and 4,120 rev/min. Calculate the speeds of the tips of both rotors. Compare these speeds with the speed of sound, 343 m/s.
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The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.53 m and 1.06 m,...
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