Physics, 12.07.2019 04:20 taylor6543
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.65 m and 1.05 m, respectively. the respective rotational speeds are 454 rev/min and 4,130 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 7.65 m and 1.05 m,...
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