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Grazes

  • one year ago

Word Problem

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  1. Grazes
    • one year ago
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  2. Peter14
    • one year ago
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    think about how this could happen. Two forces of 50 and 25 N, resultant force of 25 N...

  3. Grazes
    • one year ago
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    That's exactly what I need- a diagram. I have no idea.|dw:1367460386063:dw| This is my best guess

  4. Peter14
    • one year ago
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    the resultant for the two vectors is 25 N. The resultant for any two vectors has to be somewhere between\[\left[ V_1-V_2 \right] and [V_1+V_2]\]

  5. Peter14
    • one year ago
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    in this case, what is the maximum and minimum sum of these vectors?

  6. Grazes
    • one year ago
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    I'm doing trig. I haven't learned that yet, I don't think

  7. Peter14
    • one year ago
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    for this problem you don't need any of that.

  8. Grazes
    • one year ago
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    Then what do you need? o-o

  9. Peter14
    • one year ago
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    find the maximum and minimum length of the resultant.

  10. Grazes
    • one year ago
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    Is the dotted line I drew the resultant? And even if it is, I don't see how it can be more than one value if the shape I drew is a parallelogram.

  11. Peter14
    • one year ago
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    you are adding two vectors and you don't know the angle between them because that's what you're trying to find.

  12. Grazes
    • one year ago
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    Could you draw a diagram for me, please?

  13. Peter14
    • one year ago
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    |dw:1367461650410:dw|

  14. Grazes
    • one year ago
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    I'm lost. My teacher never used a circle to solve these types of problems.

  15. Peter14
    • one year ago
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    I used a circle because you don't know which way the second vector is going relative to the first one.

  16. Peter14
    • one year ago
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    I give up. What's 50-25?

  17. Grazes
    • one year ago
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    25.

  18. Grazes
    • one year ago
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    |dw:1367461942678:dw| Which angle do I need to find?

  19. Peter14
    • one year ago
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    |dw:1367462096748:dw| resultant is 25

  20. Peter14
    • one year ago
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    |dw:1367462207710:dw| you are supposed to find that angle

  21. Grazes
    • one year ago
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    What happened to 38 degrees and 10 minutes?

  22. Peter14
    • one year ago
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    it doesn't matter. there is only one way to get a resultant force of 25 newtons from forces of 50 N and 25 N.

  23. Grazes
    • one year ago
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    I will take your word for it.

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