The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.03 m, respectively. The respective rotational speeds are 459 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors. Compare these speeds with the speed of sound, 343 m/s.
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.03 m, respectively. The respective rotational speeds are 459 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors. Compare these speeds with the speed of sound, 343 m/s.
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section8.2: Rotational Dynamics
Problem 29PP
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The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.03 m, respectively. The respective rotational speeds are 459 rev/min and 4,140 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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