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anonymous

  • one year ago

Consider that the room is a closed system. Ryan uses the chemical energy in his muscles to create the energy of motion. He uses this energy of motion to pull the string on the clapper of a bell to produce a sound. Sound fills the room. Which describes the energy in this room? A. As energy changes forms, total energy increases. B. While energy has taken different forms, total energy remains the same. C. While energy is changing forms, total energy at first increases, then decreases. D. As energy changes forms, total energy decreases.

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  1. anonymous
    • one year ago
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    my guess is B...but im not sure

  2. anonymous
    • one year ago
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    but c can also be the answer

  3. anonymous
    • one year ago
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    i think its B too

  4. anonymous
    • one year ago
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    i'm going with B at least this is the last day of school for me YaY

  5. anonymous
    • one year ago
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    lol well glad to help...and congrats have a great summer

  6. anonymous
    • one year ago
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    thanx you too

  7. anonymous
    • one year ago
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    thanks

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spraguer (Moderator)
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