The electric potential at the surface of a charged conductor
a. is always zero.
b. is always independent of the magnitude of the charge on the surface.
c. may be set equal to zero by adding an appropriate constant to the potential at all points of space.
d. is always such that the potential is zero at all points inside the conductor.
e. is always such that the potential is always zero within a hollow space inside the conductor.
c
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The text states that luminous matter in the Milky Way seems to be much like the tip of an iceberg. This refers to the idea that ________
A) black holes are much more interesting than ordinary stars that give off light B) luminous matter emits white light, much like the light reflected from icebergs C) the luminous matter of the Milky Way is essentially floating on the surface of a great sea of dark matter D) dark matter represents much more mass and extends much further from the galactic center than the visible stars of the Milky Way
If the average velocity is non-zero over a time interval, does this mean that the instantaneous velocity is never zero over that same time interval?
A. Yes B. No
Explain the "Lighthouse Model" of pulsars
What will be an ideal response?
Free Fall: When a ball is thrown straight up with no air resistance, the acceleration at its highest point
A. is upward. B. is downward. C. is zero. D. reverses from upward to downward. E. reverses from downward to upward.