A correct statement of the Second Law of Thermodynamics is
A. the random motion of gas molecules will be decreased if energy is added to a gas.
B. no heat engine can have an efficiency greater than 30%.
C. there is no process that can make heat flow from a cold object to a hot object.
D. heat will not flow spontaneously from a cold object to a hot object.
Answer: D
You might also like to view...
A 2.00 kg mass is connected to a spring with a spring constant of 6.00 N/m. The displacement is given by the expression x(t) = 12.0 cm sin
What is the maximum velocity the simple harmonic motion?
A. 34.8 cm/s B. 30.7 cm/s C. 25.6 cm/s D. 20.8 cm/s E. 17.5 cm/s
An astronomer records the spectrum of light coming from a distant star. Describe what information the astronomer can deduce from this stellar spectrum, and what physical principles she would apply
What will be an ideal response?
If the dark nebula are really dark, how do we know they are there?
What will be an ideal response?
Which of the following patterns in the Milky Way structure is consistent with the idea that the Milky Way has not suffered a major collision with another massive galaxy?
A) The halo is full of old stars orbiting in many different directions. B) Globular clusters are compact groups of thousands of stars. C) The disk is composed of stars of many different ages. D) The disk is composed of stars orbiting in the same plane, same direction.