In each of the cases (a) and (b) shown below the electric and magnetic fields in an electromagnetic wave point in the directions shown as the wave passes a certain point P. [ 
points away from the viewer in case (b).] 
In which direction is the wave moving?
A. A
B. B
C. C
D. D
E. Toward the viewer
F. Away from the viewer
T. This is impossible.
F. Away from the viewer
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A 2.00 kg pendulum bob on a string 1.50 m long, is released with a velocity of 3.00 m/s when the support string makes an angle of 45.0 degrees with the vertical. What is the tension in the string at the bottom of the swing?
A. 53.5 N B. 49.8 N C. 43.1 N D. 37.5 N E. 30.2 N
All of the Asteroids in the Asteroid Belt together have
A. a tiny fraction of Earth's mass. B. a mass somewhere between the mass of Mars and the mass of Jupiter. C. about Earth's mass. D. about ten times Earth's mass.
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Two flat conductors are placed with their inner faces separated by 6.0 mm. If the surface charge density on one of the inner faces is 40 pC/m2, what is the magnitude of the electric potential differences between the two conductors?
a. 36 mV b. 18 mV c. 32 mV d. 27 mV e. 14 mV