If the electric potential at a point in space is zero, then the electric field at that point must be
A) negative.
B) zero.
C) uniform.
D) positive.
E) impossible to determine based on the information given.
E
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The cratered surfaces of Saturn's moons may look like our moons, but in reality they are made chiefly of ________
Fill in the blank(s) with correct word
How does the thickness of a lens relate to it being converging or diverging?
What will be an ideal response?
A bumper car is moving at constant velocity when another bumper car starts to push on it with a constant force at an angle of 60 degrees with respect to the first car's initial velocity. The second bumper car continues pushing in exactly that direction for some time. What is most likely to happen is that
A. the first car will stop moving. B. the first car will move in the direction of the force. C. the first car's velocity will increase in magnitude but not change direction. D. the first car's velocity will gradually change direction more and more toward that of the force while increasing in magnitude. E. the first car's velocity will gradually change direction more and more toward that of the force while decreasing in magnitude.
In a Young's double-slit interference apparatus, by what factor is the distance between adjacent light and dark fringes changed when the separation between slits is tripled?
a. 1/9 b. 1/3 c. 1 d. 3 e. 9