The diameters of the main rotor and tail rotor of a single engine helicopter are 7.51 m and 1.01 m, respectively. The respective rotational speeds are 440 rev/min and 4,136 rev/min Calculate the speeds of the tips of both rotors. main rotor m/s tail rotor m/s Compare these speeds with the speed of sound, 343 m/s main rotor/sound Veal rotor/Ysound -

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.