Detertmine the efficiency of the engine

Assignment Help Physics
Reference no: EM13256083

In one cycle, a heat engine does 310 J of work and releases 620 J of heat to a lower-temperature reservoir.

(a) How much heat does it take in from the higher-temperature reservoir?

J

(b) What is the efficiency of the engine?

%

Reference no: EM13256083

Questions Cloud

Explain what is its volume at the final temperature : A 49.6-mL sample of gas in a cylinder is warmed from 27*C to 89*C. What is its volume at the final temperature? (Assume constant pressure.)
What if the discount rate is 10 percent : An investment project costs $15,000 and hasannual cash flows of $3,800 for six years.
What is the value of the electric field for that wave : The value of the magnetic field for a certain type of electromagnetic wave is 2.12 ?T. What is the value of the electric field for that wave
Describe what was the percentage by mass of mg(oh)2 : A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L?1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L?1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass o..
Detertmine the efficiency of the engine : In one cycle, a heat engine does 310 J of work and releases 620 J of heat to a lower-temperature reservoir. What is the efficiency of the engine
Which investment should the firm make : Each investment costs $480. What investment(s) should the firm make according to net present value?
Explain sample of a compound of carbon : When a 0.6333-g sample of a compound of carbon, hydrogen and sulfur was burned in excess oxygen, 0.9272 g CO2, 0.3795 g H2O and 0.6749 g SO2 were obtained. In a separate experiment, it was found that, for fixed temperature and pressure
Find the maximum possible efficiency of these turbines : A typical nuclear power plant delivers heat from the reactor to the turbines at a temperature of 480°C. what is the maximum possible efficiency of these turbines
Explain co2(g) leaves the solution without reacting : What was the percentage by mass of Mg(OH)2 in the original sample? [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride salt, water and CO2(g). Assume that all of the CO2(g) leaves the solution without reacting.]

Reviews

Write a Review

Physics Questions & Answers

  Find their final speed

Two carts with masses of 4.5 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 4.3 m/s, respectively. The carts stick together after colliding head-on.

  What is the change in kinetic energy of the system

Two skydivers are holding on to each other while falling straight down at a common terminal speed of 51.1 m/s. What is the change in kinetic energy of the system

  In what way would its energy changes similar to pendulum

Suppose an object is set sliding, with a speed less than escape velocity, on an infinite frictionless plane in contact with the surface of the Earth. Describe its motion.

  Find out the coefficient of kinetic friction between child

A child goes down a playground slide with an acceleration of 1.30. Find out the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 34.0 below the horizontal.

  Find the momentum of a traveling car

what is the momentum of a 1800-kg car traveling with a speed of 27m.s (60mph)

  Find the process of charging a conductor by bringing

A skier (m=63.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 6.10 m and D = 12.2 m, find H.

  Write down the equation that describes the forces

a person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction.

  The centripetal and tangential accelerations are equal

The centripetal and tangential accelerations are equal

  Find the net torque on the rod

An outfielder throws a 0.150 kg baseball at a speed of 39.6m/s and an initial angle of 34° What is the kinetic energy of the baseball at the highest point of its trajectory.

  What is the friction force of the water

one of your classmate has a friend with a boat. here is your classmate on water-skis being towed. in the absence of friction your classmate (m=62kg) would accelerate at 2.23m/s^2.

  How tall do you estimate the empire state building to be

You want to estimate the height of the Empire State Building. You start at its base and walk 15 m away. Then you approximate the angle from the ground at that point to the top to be 88 degrees. How tall do you estimate the Empire State Building to..

  How many db is the ratio of output signal to echo

The output signal intensity of the transducer is 40 Watt / cm2. The echo returning from a reflector deep inside the patient is 0.025 Watt / cm2. How many dB is the ratio of output signal to echo?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd