Work Done by a Gas: A gas is taken through the cycle shown in the pV diagram in the figure. During one cycle, how much work is done by the gas?
A. p0V0
B. 2 p0V0
C. 3 p0V0
D. 4 p0V0
Answer: C
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Geologic evidence that supports the theory of continental drift does not include
a. glaciation in the Southern Hemisphere. b. drag marks on the ocean floor. c. continuity of geologic structures. d. the discovery of the same fossils on different continents.
If the electric field due to a point charge is 17 N/C at a distance of 1.5 m from it, what is the electric flux through a 1.5 m-radius imaginary spherical surface centered on the point charge?
A. 120 
B. 480
C. 150
D. 320
The wavelength of a radio wave from an AM station broadcasting at 1,000 kilohertz on your radio dial is 300 meters
Indicate whether the statement is true or false
Graphical Addition: Vectors 
and 
obey the equation 
+ 
= 0. These vectors satisfy which one of the following statements?
A. Vectors 
and 
are at right angles to each other.
B. Vectors 
and 
point in the same direction.
C. Vectors 
and 
have the same magnitudes.
D. The magnitude of 
is the negative of the magnitude of 
.