What is the efficiency of an ideal engine operating

Assignment Help Physics
Reference no: EM13487220

A heat engine takes in 126 kJ of heat from a reservoir at 820 K and exhausts 88 kJ to a reservoir at 292 K.

(a) What is the efficiency of the engine?

(b) What is the efficiency of an ideal engine operating between the same two reservoirs?

Reference no: EM13487220

Questions Cloud

Whether juan has to pay australian tax on any of his salary : On 1st October 2012, company EndX Pty. Ltd. purchased a new car for $45,000, inclusive of GST. Registration amounting to $450 was paid before delivery on 1st October 2012.
Write a report to the owners detailing : You are to journalise the events (including dates and notations). You should assume that all monies were received on 18th April (applications). What other option did the directors have with the excess demand, returning the excess?
What additional information would your decision depend : Suppose your employer offers you a choice between a $5000 bonus and 100 shares of the company stock. Whichever one you choose will be awarded today. The stock is currently trading for $63 per share.
Corporate governance disclosures : identify anynotable differences between the corporate governance disclosures that were made in last year'scorporate governance report and those that were made this year.
What is the efficiency of an ideal engine operating : A heat engine takes in 126 kJ of heat from a reservoir at 820 K and exhausts 88 kJ to a reservoir at 292 K. What is the efficiency of an ideal engine operating between the same two reservoirs
How much force is tending to pull rover forward : A woman takes her dog Rover for a walk on a leash. To get the little pooch moving forward, How much force is tending to pull Rover forward
Calculate tims australian taxable income : Calculate Tim's Australian taxable income and Australian tax payable for the year ending 30.06.2013
Review the financial statements of merck and novartis : Review the financial statements of Merck and Novartis to learn additional information. The emphasis of this Case is to review the income statement, balance sheet and computation of ratios.
What gauge pressure produces this force : A force of 39.2 N is exerted on the small piston of diameter 1.25 cm to support a 1600-kg car on the hydraulic lift shown. What gauge pressure produces this force

Reviews

Write a Review

Physics Questions & Answers

  How high is the rock above the ground

If the gravitational potential energy of a 30.7-kg rock is 643 J relative to a value of zero on the ground, how high is the rock above the ground

  What is rose''s power output

Clarify how Einstein's contribution to understanding the force between the earth and the moon differed from Newton's. Include a short statement of Einstein's explanation in the answer.

  Determine the strength of the electric field

A very small call (m = 4 gms) hangs on a thread at an angle of ? = 30o. What is the strength of the electric field

  Determine the radius of the orbit

An electron of kinetic energy 35 keV moves in a circular orbit perpendicular to a magnetic field of 0.390 T. Find the radius of the orbit

  How much energy is delivered to the toaster

The resistance of a bagel toaster is 17 ?. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster

  Find the angular frequency of oscillation

A 0.60 kg body oscillates on a spring that, when extended 1.0 mm from equilibrium, has a restoring force of 7.0 N. find the angular frequency of oscillation

  What is the vertical acceleration of her center of mass

Dawnelle prepares to dive off the 10m platform. What is the vertical acceleration of her center of mass

  If the boat proceeds at its maximum speed

A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75 km/hr. The child is 0.560 km from shore and 0.750 km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximu..

  Find the temperature at the plasterboard-brick interface

Five equal-mass particles (A-E) enter a region of uniform magnetic field directed into page. They follow the trajectories. Rank the particles on the basis of their speed.

  What force must be applied to the chain

During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 115 N to the tire's rim. what force must be applied to the chain

  Find the total work done by the gas

A gas undergoes two processes. In the first, the volume remains constant at 0.230m3, Find the total work done by the gas during both processes

  How much work is done be the girl

A girl pulls her brother along on a wagon. She pulls with a force of 35 N in a direction of 29.2 degrees to the horizontal, How much work is done be the girl

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