MATH

Find the magnitude and direction of the resultant from the link below. (Round your answers to two decimal places.)
www.webassign.net/waplots/8/f/54afadf51842caa565a438ac2b6e2a.gif
a) magnitude:
b) direction (in degrees):

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asked by ghost
  1. R = 500(cos20° , sin20°) + 200(cos135° , sin135°)
    = ......

    let me know what you get

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    posted by Reiny
  2. i got
    (469.84,171.01) + ((-141.42),141.42).
    is this correct?

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    posted by ghost
  3. correct so far.
    Why did you not finish it?
    You had asked for the magnitude and direction.

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    posted by Reiny
  4. my final answers are:
    329.42, 412.42
    i did: 469.84+(-141.42)=329.42
    i did: 171.01+141.42 = 412.42

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    posted by ghost
  5. first of all, I got
    (328.42 , 312.43) as the resultant vector, still not done

    NOW, find the magnitude and direction of that.

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    posted by Reiny
  6. the magnitude is 640.85, but how do i get the direction

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    posted by ghost
  7. hello?
    i am still waiting for response!!

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    posted by ghost
  8. tanø = rise/run = 312.43/328.42
    ø = tan^-1 (.95130..)
    = 43.57°

    btw, your magnitude is wrong
    magn = √(328.42^2 + 312.43^2) = 453.29

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    posted by Reiny
  9. thanks

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    posted by ghost

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