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7 June, 18:21

A wheel with a radius 10 inches covers a distance of 40pie inches in one second. What is the angular speed of this wheel?

A) 2pie radians per/sec

B) 4pie radians per/sec

C) pie radians per/sec

D) 2 radians per/sec

E) 4 radians per/sec

F) None of these

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Answers (1)
  1. 7 June, 19:16
    0
    Angular velocity is given by:

    ω=v/r

    where:

    ω=angular velocity

    v=linear velocity

    r=radius

    From the question;

    v=40π inches/sec

    r=10

    therefore:

    ω=40π/10 = 4π radians per per/sec
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