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March 28, 2017

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(a) Vector E has magnitude 50.0 and is directed 40.0° counterclockwise from the +x axis. Express it in unit-vector notation.
(b) Vector F has magnitude 50.0 and is directed 40.0° counterclockwise from the +y axis. Express it in unit-vector notation.
(c) Vector G has magnitude 50.0 and is directed 40.0° counterclockwise from the -y axis. Express it in unit-vector notation.

  • physics - ,

    I will be happy to critique your thinking.

  • physics - ,

    This is what I went about doing but the signs don't make sense. Thanks for any help!

    a.) 50*sin40=y y= 37.25j
    50*cos40=x x= -33.35i

    b.) 50*sin40=x x= 37.25i
    50*cos40=y y= -33.35j

    c.) 50*sin40=y y= 37.25j
    50*cos40=x y= -33.35i

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