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Math Help - Major Help

  1. #1
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    Major Help

    I need to solve these two problem but i cannot understand how.

    Problem 1
    A wheel has a diameter of 13.37 inches.The linear speed is 18.33 ft per second.What is the angular speed in revolution per second?

    Problem 2
    A wheel has a 15cm diameter that rotates 7 radians/sec.what is the linear speed in meter per seconds?
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by maniac20 View Post
    I need to solve these two problem but i cannot understand how.

    Problem 1
    A wheel has a diameter of 13.37 inches.The linear speed is 18.33 ft per second.What is the angular speed in revolution per second?

    Problem 2
    A wheel has a 15cm diameter that rotates 7 radians/sec.what is the linear speed in meter per seconds?
    The relationship between angular speed and linear speed is
    v = r \omega
    where v is the linear speed, r is the radius of the motion, and \omega is the angular speed.

    -Dan
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