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anonymous

  • one year ago

How many coulombs could be in a lightning bolt? A. 1. 6 × 10^19 C B. 5.0 × 10^6 C C. 5.0 × 10^0 C D. 6.24 × 10^18 C

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  1. Michele_Laino
    • one year ago
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    we have to know the current carried by a lightning

  2. anonymous
    • one year ago
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    ok!

  3. anonymous
    • one year ago
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    how do we find that out? :/

  4. Michele_Laino
    • one year ago
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    tipically we have: current I = 2*10^5 amperes for t= 1.5 seconds, so the electricity carried by a ligthning is: Q=2*10^5* 1.5 = 4 *10 ^5 Coulombs

  5. anonymous
    • one year ago
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    ok! so would our solution be choice B? :/

  6. Michele_Laino
    • one year ago
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    yes! I think so!

  7. anonymous
    • one year ago
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    yay! thank you!!:)

  8. Michele_Laino
    • one year ago
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    :)

  9. anonymous
    • one year ago
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    oh sorry!! in the answer choices, i forgot to put the negative signs! here are the correct answer choices: A. 1. 6 × 10^-19 C B. 5.0 × 10^-6 C C. 5.0 × 10^0 C D. 6.24 × 10^18 C would this still be choice B? @Michele_Laino :)

  10. Michele_Laino
    • one year ago
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    option D is a very large quantity of electricity

  11. anonymous
    • one year ago
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    ohhh okay! which would it be then? :/ i am not sure :P

  12. Michele_Laino
    • one year ago
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    we can conjecture a series of discharges, so I think option D

  13. Michele_Laino
    • one year ago
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    please wait

  14. anonymous
    • one year ago
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    ok!

  15. Michele_Laino
    • one year ago
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    if we conjecture a current I = 2*10^3 amperes, and a time interval t= 5*10^(-3) seconds, then Q=2*10^3*5*10^-3=10 coulombs

  16. anonymous
    • one year ago
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    so that would mean choice C? :/

  17. Michele_Laino
    • one year ago
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    all data are from Wikipedia

  18. anonymous
    • one year ago
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    ah okie :P wikipedia has everything! haha :P

  19. Michele_Laino
    • one year ago
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    yes! I think option C

  20. anonymous
    • one year ago
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    okie yay!! again, sorry about this error!! thank you!!

  21. Michele_Laino
    • one year ago
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    option D is too high value

  22. anonymous
    • one year ago
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    ahh yes:) okie!! :) back to the other one i posted:P haha sorry again!! :P

  23. Michele_Laino
    • one year ago
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    :)

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