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math

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find the vector V with the given magnitude and the same direction as U.

mag V=2
U=<3,-3>

  • math -

    A unit vector along [3,-3] is [3/√18,-3/√18]

    so one of length 2 is
    [6/√18, -6/√18] or [√2, -√2] after rationalizing

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