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Re: Walking the dog.

From jimp@specsol.spam.sux.com
Newsgroups sci.physics
Subject Re: Walking the dog.
Date 2016-07-19 03:10 +0000
Organization A noiseless patient Spider
Message-ID <q9i06d-0ni.ln1@mail.specsol.com> (permalink)
References <nmjvoe$1kmi$2@gioia.aioe.org>

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Sergio <invalid@invalid.com> wrote:
> Walking the dog.
> Jane is walking her dog, spot. She sees her friend, Dick, walking toward 
> her along the same long, straight road. Both Dick and Jane are walking 
> at 3 mph. When Dick and Jane are 600 feet apart, Spot runs from Dick to 
> Jane, turns and runs back to Dick, and then back and forth between them 
> at constant speed of 8 mph. Dick and Jane both continue walking toward 
> each other at a constant 3 mph. Neglecting the time lost each time Spot 
> reverses direction, how far has Spot run in the time it takes Dick and 
> Jane to meet?

If spot can only run 8 mph, it is either sick or a tiny little rat dog.

-- 
Jim Pennino

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Thread

Walking the dog. Sergio <invalid@invalid.com> - 2016-07-18 20:28 -0500
  Re: Walking the dog. noTthaTguY <abu.kuanysh05@gmail.com> - 2016-07-18 18:40 -0700
    Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-18 21:09 -0500
  Re: Walking the dog. jimp@specsol.spam.sux.com - 2016-07-19 03:10 +0000
    Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-18 23:54 -0500
      Re: Walking the dog. jimp@specsol.spam.sux.com - 2016-07-19 05:13 +0000
        Re: Walking the dog. Double-A <double-a3@hush.com> - 2016-07-19 12:05 -0700
          Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-19 14:50 -0500
            Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-20 08:05 -0500
              Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-20 08:32 -0500
            Re: Walking the dog. Double-A <double-a3@hush.com> - 2016-07-22 14:03 -0700
              Re: Walking the dog. "hanson" <hanson@quick.net> - 2016-07-22 14:52 -0700
                Re: Walking the dog. Double-A <double-a3@hush.com> - 2016-07-22 15:06 -0700
                Re: Walking the dog. "hanson" <hanson@quick.net> - 2016-07-23 18:44 -0700
                Re: Walking the dog. "hanson" <hanson@quick.net> - 2016-07-23 18:38 -0700
                Re: Walking the dog. "hanson" <hanson@quick.net> - 2016-07-23 15:53 -0700
  Re: Walking the dog. Michael J. Strickland <michael06582@comcast.net> - 2016-07-21 02:13 -0400
  Walking the dog. HVAC <mr.hvac@gmail.com> - 2016-07-22 03:56 -0700
    Re: Walking the dog. Sergio <invalid@invalid.com> - 2016-07-22 10:34 -0500
    Re: Walking the dog. benj <benj@nobody.net> - 2016-07-22 16:51 -0400

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