A helicopter blade spins at exactly 180 revolutions per minute. Its tip is 10.00 m from the center of rotation. What is its average velocity

Question

A helicopter blade spins at exactly 180 revolutions per minute. Its tip is 10.00 m from the center of rotation. What is its average velocity over one revolution

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Thanh Thu 5 years 2021-08-02T20:13:49+00:00 1 Answers 16 views 0

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  1. bonexptip
    0
    2021-08-02T20:15:34+00:00
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    Answer:

    5.8E-3m/s

    Explanation:

    Using

    V= d/t

    V= velocity

    d= distance

    t= time

    But d= 2πr

    But 180rev= 1min

    So 1min/180= 60s/180

    So

    Vavr= 2π(10m)/180*60

    =5.8E-3m/s

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