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Math Help - Time and distance problem.

  1. #1
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    Time and distance problem.

    If A and B are running in a circular track in a direction opposite to that in which C is running, who is running at twice and thrice the speeds of A and B respectively and on the same track. They start running from a same point. It is knows that A' average speed is 3 m/s and the track is 120m. When, after the start, will B find himself equidistant and between A and C for the first time?
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    Re: Time and distance problem.

    Quote Originally Posted by hisajesh View Post
    If A and B are running in a circular track in a direction opposite to that in which C is running, who is running at twice and thrice the speeds of A and B respectively and on the same track. They start running from a same point. It is knows that A' average speed is 3 m/s and the track is 120m. When, after the start, will B find himself equidistant and between A and C for the first time?
    To start with, can you put this question in the form of, not speeds, but angular speed?

    -Dan
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    Re: Time and distance problem.

    Sorry, I dont have data on angular speeds.
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    Forum Admin topsquark's Avatar
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    Re: Time and distance problem.

    Quote Originally Posted by hisajesh View Post
    Sorry, I dont have data on angular speeds.
    It's easy. You have the linear speeds (well, they're unknowns, but you know what I mean.) For any object moving in a circular path at speed v we know that v = r \omega where \omega is your angular speed,

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