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A gas in a closed container is heated with 10J of energy, causing the lid of the container to rise 2m with 3N of force

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A gas in a closed container is heated with 10J of energy, causing the lid of the container to rise 2m with 3N of force. What is the total change in energy of the system?

(A) 10J             (B) 4J

(C) -10J           (D) - 4J

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(B) 4J

 

the total change in energy of the system is 4J

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