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-   -   Law of motion (https://www.askmehelpdesk.com/showthread.php?t=319732)

  • Feb 20, 2009, 02:49 AM
    simmon
    Law of motion
    Two cars approach each other; both cars are
    Moving westward, one at 70 km/h, the other
    At 63 km/h.
    What is the magnitude of the velocity of the
    First car relative to (in the frame of reference
    Of) the second car? Answer in units of km/h.
  • Feb 20, 2009, 02:26 PM
    Perito

    Could it possibly be 70 - 63?
  • Feb 23, 2009, 10:43 AM
    Shelesh

    Well.. I guess the question means 'as seen by the second car'...
  • Feb 23, 2009, 10:45 AM
    Shelesh

    I would say 7 km/h...

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