For the same temperature increase in a system, the change in entropy, ?S, is largest in a reversible
A. constant-volume process.
B. constant-pressure process.
C. adiabatic process.
D. process in which no heat is transferred.
E. process in which no work is performed.
Answer: B
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In heat transfer, the heat flux is directly related to the temperature _____________.
Fill in the blank(s) with the appropriate word(s).
Mutual Inductance: The mutual inductance between two coils is 10 mH. The current in the first coil changes uniformly from 2.7 A to 5.0 A in 160 ms. If the second coil has a resistance of 0.60 ?, what is the magnitude of the induced current in the second coil?
Fill in the blank(s) with the appropriate word(s).
A solid sphere, a solid cylinder, and a hoop all have the same mass and radius. Each are sent down identical inclined planes starting from rest. Their kinetic energies at the bottom of the incline are Ksphere,Kcylinder, and Khoop. Which of the following is true?
A. Ksphere>Kcylinder B. Khoop>Ksphere C. Khoop>Kcylinder D. Kcylinder>Khoop E. No answer above is correct.
Which of the following is a postulate of special relativity?
A. The laws of physics are the same for all observers in uniformly moving frames of reference B. The relative speed of two objects is the same for all observers C. Physicists can make no measurements in a moving reference frame D. The color of light is the same for all observers