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Good video about relative motion

  1. Jun 4, 2007 #1

    a baseball is fired out of the back of a truck going 60mph at 60mph
    Last edited by a moderator: Sep 25, 2014
  2. jcsd
  3. Jun 5, 2007 #2


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    The actual video clip is OK, but drawn out a bit. Why is the driver wearing a helmet, but not the guy in the back of the truck?
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