anonymous
  • anonymous
WILL FAN AND MEDAL!! 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. As energy changes forms, total energy decreases. D. While energy is changing forms, total energy at first increases, then decreases. a or d?
Physics
schrodinger
  • schrodinger
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anonymous
  • anonymous
Why only A or D?

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anonymous
  • anonymous
what happens with energy in any closed system?
anonymous
  • anonymous
anonymous
  • anonymous
anonymous
  • anonymous
Answer is D in case anyone was wondering

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