Details Previous Answers Sercp11 12 4 Op 039 7 1 3 Points In One Cycle Of An Engine 1 67 Kj Of Energy Is Absorbed F 1 (20.05 KiB) Viewed 11 times
Details Previous Answers Sercp11 12 4 Op 039 7 1 3 Points In One Cycle Of An Engine 1 67 Kj Of Energy Is Absorbed F 2 (20.05 KiB) Viewed 11 times
DETAILS PREVIOUS ANSWERS SERCP11 12.4.OP.039. 7. (1/3 Points] In one cycle of an engine, 1.67 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.25 kJ of energy is expelled to a cold reservoir at 27.0°C. (a) What is the engine's efficiency? (Enter your answer as a percent.) 749 x What is the absolute value of the heat absorbed from the hot reservoir? What is the absolute value of the heat expelled to the cold reservoir? What is the formula for efficiency in terms of these two absolute values? Be sure to express your answer as a percentage? (b) How much work (in 3) is done by the engine in each cycle? 420 (c) What is the power output (in kW) of the engine if each cycle lasts 0.299 s? 1.4003 Be sure to express your answer in units of kilowatts instead of watts. KW Need Help? MY NOTES Pe ASK YOUR TEACHER PRACTICE ANOTHER
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