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Anikate

  • one year ago

vector question, please help: http://prntscr.com/8bm3k4

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  1. anonymous
    • one year ago
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    Do you know the formula to find it?

  2. Anikate
    • one year ago
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    what formula is it?

  3. Anikate
    • one year ago
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    i do not recall any formula

  4. anonymous
    • one year ago
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    here u go ^u^ http://www.dummies.com/how-to/content/how-to-find-the-angle-and-magnitude-of-a-vector.html

  5. UnkleRhaukus
    • one year ago
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    |dw:1441161860276:dw|

  6. UnkleRhaukus
    • one year ago
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    |dw:1441161942273:dw|

  7. dan815
    • one year ago
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    have u learnt about dot product

  8. UnkleRhaukus
    • one year ago
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    |dw:1441161992228:dw|

  9. dan815
    • one year ago
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    you have to use more pure vector methods unklerhaukus xD, meeting his curriculum

  10. UnkleRhaukus
    • one year ago
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    |dw:1441162071882:dw|

  11. UnkleRhaukus
    • one year ago
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    Decompose the vectors into components along x and y, the sum will be the sum of the components

  12. UnkleRhaukus
    • one year ago
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    use pythag to find the length of the resultant vector

  13. dan815
    • one year ago
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    (A+B) dot (A+B) = |A+B|^2 therefore A dot A + B dot B + 2*A dot B = |A+B|^2 |A|^2+|B|^2+2*|A||B|cos(theta)=|A+B|^2 take sqrt of both sides to get |A+B|

  14. dan815
    • one year ago
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    |dw:1441162493136:dw|

  15. Anikate
    • one year ago
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    head to tails of what?

  16. Anikate
    • one year ago
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    also what is dot?

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