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Fosterthepeople

  • one year ago

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  1. Fosterthepeople
    • one year ago
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    If you do 1,000 J of work on a system and remove 500 J of heat from it, what is the change in its internal energy? (Points : 1) 1,500 J 500 J 500 J 1,500 J

  2. Fosterthepeople
    • one year ago
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    @amistre64

  3. Fosterthepeople
    • one year ago
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    @muratcankalem

  4. amistre64
    • one year ago
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    hmmm, my gut says that the change is 500J since thats what youve removed or altered the system by. but i cant be certain that im reading it correctly

  5. Fosterthepeople
    • one year ago
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    thank you i knew that was the answer i just needed confirmation :D

  6. amistre64
    • one year ago
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    not sure how much confirmation i can do :) but it does make some sense to me

  7. Fosterthepeople
    • one year ago
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    they each had a negative sign actually but my answer was just 500

  8. Fosterthepeople
    • one year ago
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    like one of them was -500 j and the other was -1,500 j

  9. amistre64
    • one year ago
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    ah, im thinking, and this is a guess, we add 1000 and remove 500 to get +500

  10. muratcankalem
    • one year ago
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    500

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