Wednesday
March 4, 2015

Homework Help: Physics

Posted by Mike on Friday, December 10, 2010 at 11:15pm.

An engineer claims to have measured the characteristics of a heat engine that takes in 130J of thermal energy and produces 40J of useful work.

What is the smallest possible ratio of the temperatures (in kelvin) of the hot and cold reservoirs?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A Carnot engine is operated between two heat reservoirs at ...
physics - A Carnot engine is operated between two heat reservoirs at ...
Physics - In each cycle of its operation, a heat engine expels 6,100 J of energy...
PHYSICS DUE SOON - In each cycle of its operation, a heat engine expels 6,100 J ...
physics - If a gasoline engine has an efficiency of 21 percent and loses 780 J ...
Physics (Heat Engines) - 21. A heat engine operates in a cycle between ...
chemistry - Which of the following best describes the heat engine? A. A heat ...
physics. - Heat engine X takes four times more energy by heat from the hot ...
physics - The efficiency of a machine is in general defined as the ratio between...
thermodynamics - 3.4 A heat engine operates between two heat reservoirs with ...

Members