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Question: A heat engine operates in a Carnot cycle between84.0°C and 355°C. It absorbs 20,800 J of energy per cycle from thehot reservoir. The duration of each cycle is 2.00 s.
I NEED ANSWER A AND B. THIS IS A SCREENSHOT OF PREVIOUS ANSWERSTHAT WERE NOT CORRECT.
5:09 PM Tue Jul 5 webassign.net Submission 2 (0/1 points) Tuesday, July 5, 2022 04:41 PM CDT A heat engine operates in a Carnot cycle between 84.0°C and 355°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. The duration of each cycle is 2.00 s. (a) What is the mechanical power output of this engine? 5.91 X You may be using an incorrect expression for the efficiency of the Carnot cycle. kW (b) How much energy does it expel in each cycle by heat? 8.975 X You appear to have calculated the useful work done during each cycle instead of the heat expelled. KJ Submission 3 (0/1 points) Tuesday, July 5, 2022 05:07 PM CDT A heat engine operates in a Carnot cycle between 84.0°C and 355°C. absorbs 20,800 J of energy per cycle from the hot reservoir. The duration of each cycle is 2.00 s. (a) What is the mechanical power output of this engine? 0.597 x Determine the efficiency of the Carnot cycle and apply the definition of power. kW (b) How much energy does it expel in each cycle by heat? 8379.62 X Apply the first law of thermodynamics to find the heat expelled from the energy input and the work output in each cycle. kJ Submission 4 (0/1 points) Tuesday, July 5, 2022 05:08 PM CDT A heat engine operates in a Carnot cycle between 84.0°C and 355°C. It absorbs 20,800 J of energy per cycle from the hot reservoir. The duration of each cycle is 2.00 s. (a) What is the mechanical power output of this engine? 12420.38 X Determine the efficiency of the Carnot cycle and apply the definition of power. kW (b) How much energy does it expel in each cycle by heat? 8.379 X Apply the first law of thermodynamics to find the heat expelled from the energy input and the work output in each cycle. k] 712% 4