When a negative charge is released and moves along an electric field line, it moves to a position of
a. lower potential and lower potential energy.
b. lower potential and higher potential energy.
c. higher potential and lower potential energy.
d. higher potential and higher potential energy.
e. decreasing magnitude of the electric field.
c
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The temperature scale that places zero at the point where all atomic and molecular motion ceases is:
A) Fahrenheit. B) Celsius. C) Kelvin. D) centigrade. E) Ransom.
What encouragement for life on Mars came from the Global Surveyor?
A) The ice of the south polar cap is water, not dry ice. B) spectral evidence for chlorophyll C) Hellas has a lake of salt water in its bottom. D) The face on Mars is an artificial construct. E) strong photographic evidence for flowing and standing water on Mars in the past
In the proton-proton cycle, the eventual product is
a. heavy hydrogen. b. tritium. c. helium-3. d. helium-4.
In keeping with Newton's second law of motion, if the force acting on a moving object is doubled, then its ______________ is doubled
Fill in the blank(s) with correct word