What is the efficiency of this engine

Assignment Help Physics
Reference no: EM13663039

An engine receives 890 J of heat from a hot reservoir, and gives off 370 J of heat to a cold reservoir.

a) What is the work done?

b) What is the efficiency of this engine?

Reference no: EM13663039

Questions Cloud

What depth below top water surface do you perceive coin : Carbon Tetrachloride A 30mm thick layer of water (n = 1.33) floats on a 50 mm thick layer of carbon tetrachloride (n = 1.46) in a tank. A coin lies at the bottom of the tank. At what depth below the top water surface do you perceive the coin?
How frequently are photoelectrons ejected in the experiment : How frequently are photoelectrons ejected in the experiment represented with the graph of Figure Ex38.4, in which the interval on the vertical axis is 2µA and each interval on the horizontal axis is 1 V?
Discover the spring constant of the spring : A 15.0-kg block rests on a horizontal table and is attached to one end of a mass less, horizontal spring. By pulling horizontally on the other end of the spring, someone reasons the block to accelerate uniformly and reach a speed of 5.00 m/s in 0.390..
Discover the final temperature of the system. : Ice of mass 49.5 g at -9.9° C is added to 202 g of water at 13.9° C in a 94 g glass container of specific heat 0.200cal/g-°C at an initial temperature of 24.7° C. Discover the final temperature of the system.
What is the efficiency of this engine : An engine receives 890 J of heat from a hot reservoir, and gives off 370 J of heat to a cold reservoir. What is the work done? What is the efficiency of this engine?
What is the actual depth : A swimming pool appears to be 1.98 m deep, when you view the bottom of the pool from directly above the water's surface. What is the actual depth?
Compute the dielectric constant of the material : Two parallel plates of area 70cm2 are given charges of equal magnitudes 9.7*10-7 C however opposite signs. The electric field within the dielectric material filling the space among the plates is 2.1*106V/m. Compute the dielectric constant of the mate..
What is the power of the battery : The current during the battery and resistors 1 and 2 in Fig.(a) is 2.00 A. Energy is transferred from the current to thermal energy Eth in both resistors.
Carbon tetrachloride thick layer of water : Carbon Tetrachloride A 30mm thick layer of water (n = 1.33) floats on a50 mm thick layer of carbon tetrachloride (n = 1.46) in a tank. A coin lies at the bottom of the tank.

Reviews

Write a Review

Physics Questions & Answers

  Illustrate what angle should the gun be aimed so as to hit

If the bullet leaves the gun at a speed of 177 m/s, and misses by 1.02 m, at illustrate what angle should the gun be aimed so as to hit the target?

  What is the smallest force f

A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp

  Find the angular velocity of the earth

Find the angular velocity of the earth as it spins on its axis and the tangential velocity of an object at the equator and one at the University of West Florida in Pensacola

  An aluminium sphere with a specific gravity of 27 falls

an aluminium sphere with a specific gravity of 2.7 falls through water and reaches a terminal speed of 7 ms. what is

  Find its acceleration under the action of the force

A force applied to an object of mass m1 produces an acceleration of 3.60 m/s2. find its acceleration under the action of the force

  Distance from the seismograph to the focus of the quake

A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake.

  Describe what you think the behavior of the circuit will be

you and your friend are trying to determine if you can use a capacitor to extend the lives of batteries in circuits.

  Find the speed of light in the medium

When light is incident from air perpendicular to the surface of a certain medium, Find the speed of light in the medium

  Construct a ray diagram showing the location of image

An object is a distance 6f from a converging lens. construct a ray diagram showing the location and orientation of the image

  Find the smallest value for the angle

A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. Find the smallest value for the angle , such that the lower end of the board does not slide along the ground

  Find the ionization energy of the electron

If lithium ion Li+2 is treated as a classical system of one electron of charge ?e going around a nucleus of charge 3e on a circle of radius 1.77× 10?11 m, find the ionization energy of the electron

  Obtain the height of the final image

Interactive LearningWare 26.2 offers a review of the concepts that play roles in this problem. What is the height of the final image

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