A 300W hot plate produces 45,000 J of thermal energy while operating for 2 min. What is the efficiency of this devide?

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A 300W hot plate produces 45,000 J of thermal energy while operating for 2 min. What is the efficiency of this devide?

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Thu Thủy 4 years 2021-08-09T19:57:51+00:00 1 Answers 7 views 0

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    2021-08-09T19:58:51+00:00

    Answer:

    29.1 percent 6–78 An inventor claims to have developed a heat engine that receives 700 kJ of heat from a source at 500 K and produces 300 kJ of net work while Solution Solution

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