ekarlewicz3979 ekarlewicz3979
  • 24-11-2022
  • Physics
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The diameters of the main rotor and tail rotor of a single engine helicopter are 7.60 m and 1.02 m, respectively. The respective rotational speeds are 450 rev/min and 4138 rev/min. Calculate the speeds of the tips of both rotors. Compare these speeds with the speed of sound, 343m/s.

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