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Posted by on Friday, January 29, 2010 at 11:23pm.

a car moves 20km towards north then 35km angle of 60 degree west of north.Determine the magnitude of displacement from initial point.

  • physics - , Saturday, January 30, 2010 at 12:47am

    Add the two vectors. I recommend adding north (y) and east (+x) components

    You end up with y coordinate
    y = 20 + 35 cos 60
    and x ccordinate
    x = -35 sin 60

    The displacement magnitude is
    sqrt (x^2 + y^2)

    I leave you to compute that number

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