What is the theoretical maximum efficiency of the system

Assignment Help Physics
Reference no: EM13964793

1. You take a 50 g glass coffee mug from the dishwasher following the dry cycle. You use a dishcloth because the temperature of the mug is 90 deg C. You fill the mug with 250 g of cold water from the refrigerator. The temperature of the water is 5 deg C. Assuming that no heat is lost to either the air, the kitchen counter, or to your hand (all stupid assumptions, but what the heck), what will be the final temperature of the cup, and of the water in it? [Specific heats: glass, 837 J / (kg)(C); water, 4186 J / (kg)(C) ]

2. A spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 1000 deg C and expelling heat from a radiator operating at 300 deg C. What is the theoretical maximum efficiency of the system? (Don't forget, temperatures must be in K, not C!)

Reference no: EM13964793

Questions Cloud

Calculate the reluctance of part a : Two different grades of iron are used. When a coil having 2000 turns is wound on part B, and a current of 0.5A is applied to it, the relative permeability of part A is measured as 500, and of part B as 1000. Calculate the Reluctance of part A
Explain why investors demand higher expected rates of return : Explain why investors demand higher expected rates of return on stocks with more variable rates of return. Would you expect its value to fall by more or less than the amount of any fines and settlement payments?
Find the determinant : 1. Show the matrix is orthogonal. 2. Find the determinant to indicate if a rotation or reflection matrix. 3. Find the rotation angle or find the line of reflection.
Explain how middle english differs from modern english : Passages from the General Prologue to the Canterbury Tales printed - Give the language of origin and the date of the earliest recorded usage for each.
What is the theoretical maximum efficiency of the system : A spacecraft power system generates electricity by absorbing heat from a nuclear reactor operating at 1000 deg C and expelling heat from a radiator operating at 300 deg C.
Find the actual cost of piece : If an art dealer sold two artworks for $1520.00 thereby making a profit of 25% on the first piece of art and 10% on the second piece, if he had approached any exhibition he would have sold them together for $1535.00 with a profit of 10%
Find a typical molecule in at room temperature : Suppose we have an system that has the following allowed electronic energy states: 0.2 eV, 2.0 eV, 3.0 eV, 10eV. What is the probability of the system to be at each of these energy states at 350K, 1000K?
How can patents speed up the process of creative destruction : How can patents speed up the process of creative destruction? How can patents slow down the process of creative destruction?
What is the ratio of turns on the two coils : An enclosed transformer has four wire leads coming from it. How could you determine without taking the transformer apart: which wires are paired with which and what is the ratio of turns on the two coils? Assume that primary and secondary coils' wire..

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

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