An engine delivers 400 j of work while it takes in energy
An engine delivers 40.0 J of work while it takes in energy from a 400 K thermal source. If the engine discharges energy into a thermal reservoir at 200 K, then what is the least amount of heat needed to run the engine?
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an engine delivers 400 j of work while it takes in energy from a 400 k thermal source if the engine discharges energy
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