An automobile engine produces 88.1 kW on the output shaft with a thermal efficiency of about 40.9 %. The fuel it burns gives 41,668 kJ/kg as energy release. Find the rate of fuel .consumption (in g/s)
Q: When a transverse wave travels down a real wire there are forces acting on each portion of the wire…
A:
Q: In each cycle of its operation, a heat engine expels 2,900 J of energy and performs 1,600 J of…
A: energy expelled = 2900 J work done = 1600 J a) thermal energy that must be added to engine in each…
Q: In each cycle of its operation, a heat engine expels 5,900 J of energy and performs 1,700 J of…
A: The amount of heat released or expelled by the engine, Qreleased = 5900 J The amount of work done by…
Q: As a gasoline engine is running, an amount of gasoline containing 16,000 J of chemical potential…
A: The work done by the engine, W=4000 J The input chemical energy, Einput=16000 J
Q: An engine doing work isothermally takes in 10kJ and exahusts 1kJ. What is the efficiency of the…
A: Heat takes the engine, Heat exhausts the engine,…
Q: An engine, operating with an efficiency of 0.225, delivers 8.10 ✕ 105 J each minute. What is the…
A:
Q: Convert 7.87 x 103 cal to the equivalent number of kilocalories (also known as Calories, used to…
A: Consider the conversion formula as given below. 1 kcal=103 cal 1 cal=4.184 J
Q: The efficiency of a muscle during weight lifting is equal to the work done in lifting the weight…
A: efficiency of a muscle during weight lifting is equal to the work done in lifting the weight divided…
Q: a heat engine outputs 100 Joules work and releases 400 Joules to the cold source. what is the heat…
A: The heat energy absorbed heat engine from the hot source is given by, Qh=W+Qc Here, W is the work…
Q: As a gasoline engine is running, an amount of gasoline containing 11,100 J of chemical potential…
A: Given Data: The input energy is: Qi=11100 J The output energy is: Qo=3700 J
Q: 50 g of water is split into hydrogen and oxygen using electrolysis at 27oC. Calculate the work done.
A: Given: mass of water = 50 g temperature T = 27o C = 27+273 =300 K Knowns: atmospheric pressure P…
Q: A PHYS 1510 student was working on a robotics project. The joints on the machine they were building…
A:
Q: Suppose you spend 30.0 minutes on a stairclimbing machine, climbing at a rate of 90.0 steps per…
A: The efficiency of the machine is
Q: heat engine extracts 143 kJ from the hot reservior and exhausts 54.7 kJ into the cold reservior. The…
A: Heat absorbed from hot reservoir = 143 kJ Heat exhausted into cold reservoir = 54.7 kJ Temperature…
Q: A power plant burns coal and generates an average of 615.0 MW of electrical power while discharging…
A: Given Information:- Electrical power generated by the plant is E=615.0 MW Waste heat H=1020.90 MW…
Q: A heat engine extracts 45.0 kJ from the hot reservoir and exhausts 40.0 kJ into the cold reservoir.…
A: The work done by heat engine: W=QH-QC Efficiency η=1-QCQH Given QC=40kJ QH=45kJ
Q: A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant…
A: Given that :- Power capacity , P=850 MW Output , W=0.26Q11
Q: As a gasoline engine is running, an amount of gasoline containing 13,600 J of chemical potential…
A: Given: Input energy, E=13600 J Work done, W=3400 J
Q: The engine of a large ship does 1.97 1010 J of work with an efficiency of 8.60%. (a) How much…
A: Given : W = 1.97 x 1010 J e = 8.60% = 0.086
Q: As a gasoline engine is running, an amount of gasoline containing 18,500 J of chemical potential…
A: (a) The engine's efficiency is η=work doneEnergy input×100%=3700 J18500 J×100%=20%
Q: A large electrical power station generates 1050 MW of electricity with an efficiency of 37.0%. (a)…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts (a, b,…
Q: Suppose that a heat engine takes 3.20 104 J of heat from the high-temperature reservoir to produce…
A:
Q: A car with mass of 1138 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ingnore air resistance. The…
A: Solution: Given Values, Mass (m)=1138 Kginitial velocity(u)=0 m/sfinal velocity(v)=40…
Q: An electrical power station uses 1.33 1014 J of heat input with an efficiency of 34.7%. (a) How…
A: The efficiency of the electrical power station is given by: η=WQiwhere,η is the efficiencyW is the…
Q: A refrigerator does 26.0 k) of work while moving 117 kJ of thermal energy from inside the…
A:
Q: An engine does 3250 J of work and discards 5750 J of heat. Find the efficiency of this engine. Show…
A:
Step by step
Solved in 2 steps
- Convert 7.13 ✕ 103 cal to the equivalent number of kilocalories (also known as Calories, used to describe the energy content of food), and joules. (a) kilocalories ?kcal (b) joules ?JAn engine has a hot reservoir of 520K and a low-temperature reservoir of 330K. What is the theoretical efficiency of this engine? Answer in units of %An aluminum rod is 30cm long at 33°C and has a mass of 330g. If 13,000 J of energy is added to the rod by heat, what is the change in length of the rod? Do not use scientific notation and enter your answer in m.
- A 2.0 m2 solar panel is fully illuminated by sunlight. Assume the sunlight has a power density of 0.10 J/cm2 -s. a) If the efficiency of the solar panel is 16%, how much electrical energy will it deliver in one hour? b) If this energy is stored in a battery, how long will it keep a 100 W incandescent lightbulb burning if the bulb has an efficiency of 2.6%. (Efficiency of the lightbulb is the light out - - 100 W - to the electrical power in.)Question 6. in one cycle, a heat engine does 700J of work and releases 1450 J of heat to a lower-temperature reservoir. What is the efficiency of this engine, in percent?Problem 3: Suppose a subject on a treadmill puts out work at the rate of 95 W while consuming oxygen at the rate of 2.00 L/min. Assume this rate of oxygen consumed corresponds to a power output of 700 W. What is the percent efficiency of the subject? 7 (%) = ||