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5 February, 21:59

The propeller of an airplane is 9 feet in diameter. What is the speed of the tip of a propeller blade if the angular velocity of the propeller is 50 radians per second?

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Answers (2)
  1. 5 February, 23:08
    0
    1. Calculate the length of 1 full rotation 2. Calculate how much rotations per second 3. Multiply.

    it's 225 feet per second
  2. 5 February, 23:25
    0
    Angular velocity and linear velocity are related by the equation:

    v = ωr; r is the radius

    v = 50 x 9/2

    v = 225 feet per second
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