A heat engine takes in 400 J of thermal energy and performs 100 J of work in each cycle. The efficiency of this engine is
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A heat engine takes in 400 J of thermal energy and performs 100 J of work...
In each cycle (stroke), a heat engine absorbs 400 J of heat and performs 37.5 J of work. If it makes 10 cycles per second, find the power output of this engine?
A gasoline engine in a large truck takes in 10,000 J of heat and deliver 2,000 J of mechanical work. per cycle. The heat is obtained by burning gasoline with heat of combustion L-5.0 10* J/g. Heat of combustion of gasoline is how much energy gasoline produces by combustion per g.(20 points) a) What is the thermal efficiency of this engine? (4 points) b) How much heat is discard in each cycle? (4 points) c) How much gasoline is burned...
stuck on these two parts,please help.
An aircraft engine takes in an amount 9200 J of heat and discards an amount 6600 J each cycle. What is the mechanical work output of the engine during one cycle? What is the thermal efficiency of the engine? Express your answer as a percentage.
A heat engine does 30.0 J of work and exhausts 40.0 J of waste heat during each cycle. What is the engine's thermal efficiency? If the cold-reservoir temperature is 30.0 ∘C, what is the minimum possible temperature in ∘C of the hot reservoir?
An engine does 20 J of work and exhausts 15 J of waste heat during each cycle. What is the engine's thermal efficiency? If the cold-reservoir temperature is 30 degrees C, what is the minimum possible temperature in degrees C of the hot reservoir?
In one cycle, a certain heat engine takes in 1000 J1000 J of
heat from its high‑temperature reservoir and exhausts 700 J700 J of
heat to its low‑temperature reservoir.
What is the efficiency of the heat engine under these
conditions? 70%,30%,43%,143%,300%.
In one cycle, a certain heat engine takes in 1000 J of heat from its high-temperature reservoir and exhausts 700 J of heat to its low-temperature reservoir. Hot reservoir What is the efficiency of the heat engine under these...
show the correct answer
An Carnot engine working between 10°C and 100°C performs 100 J of work each cycle. Find the heat released to the environment each cycle. 314) 11) 111) 0 414) 903
Thermal Efficiency Internal Heat Energy AQ (J) Energy Lost (1) Material Work (J) Thermal Efficiency (%) Aluminum 89.89 63.55 26.34 70.70 Brass 49.09 39.74 9.35 80.95 3.) Show your work. Aluminum Energy Lost-89.89-63.55=26.34 J Aluminum Thermal Efficiency (%). e=q/w = 63.55/89.89x100=70.70% Friction Heating - 5 Brass Energy Lost- 49.09-39.74=9.35J Brass Thermal Efficiency..(%)-e=q/w = 39.74/49.09 x100=80.95% Results and Questions 1.) Give the equation you used to calculate the Power required to lift the mass. 2.) How did the internal energy change...
A heat engine has an efficiency of 0.48. Initially, the engine performs net work W per cycle. Then the heat input changes and the net work increases to 3.3W per cycle. By what factor did the heat input change?
6) A Carnot engine takes heat in from a reservoir at 400 K and discards heat to a reservoir at 300 K. If the engine does 12,000 J of work per cycle, how much heat does it take in per cycle? a) 9000 b) 16,000 c)24,000 d) 48,000 e) none of the above