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anonymous

  • one year ago

Q=I^2Rt/J Solve for R

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  1. LynFran
    • one year ago
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    \[Q=\frac{ I^2Rt }{ J }\]like this??

  2. anonymous
    • one year ago
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    Yes

  3. LynFran
    • one year ago
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    first step.. multiply both sides by J''

  4. LynFran
    • one year ago
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    what do u get?

  5. anonymous
    • one year ago
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    J cancels out

  6. anonymous
    • one year ago
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    So you are left with the rest

  7. LynFran
    • one year ago
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    yes on the right side of the equation and we r left with \[QJ=I^2Rt\]

  8. LynFran
    • one year ago
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    next step divide both side by ....do u know?

  9. anonymous
    • one year ago
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    nope

  10. LynFran
    • one year ago
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    we need the R term alone so we can divide both sides by I^2t

  11. LynFran
    • one year ago
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    \[\frac{ QJ }{ I^2t }=\frac{ I^2Rt }{ I^2t }\]

  12. LynFran
    • one year ago
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    so the I^2t cancel out leaving R

  13. LynFran
    • one year ago
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    Do u see that?

  14. anonymous
    • one year ago
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    Ah yes yes I see

  15. LynFran
    • one year ago
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    ok

  16. anonymous
    • one year ago
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    So, what do you do after that?

  17. LynFran
    • one year ago
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    we finish

  18. LynFran
    • one year ago
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    |dw:1441257268464:dw|

  19. LynFran
    • one year ago
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    |dw:1441257347261:dw|

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