What keeps the moon moving, i.e., why doesn't the moon slow down and stop?
A) It actually is slowing down, and will come to rest in a few thousand more years.
B) Nuclear processes operating in the central core of the moon.
C) It is the natural motion of every object to keep moving by itself.
D) The sun's gravity keeps it moving.
E) Earth's gravity keeps it moving.
C
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Molecular Speeds: The root-mean-square speed of the molecules of an ideal gas is v. The gas is now slowly compressed to one-half its original volume with no change in temperature. What is the root-mean-square speed of the molecules now?
A. 4v
B. 2v
C. v/
D. v
E. v/2
A nearsighted man wears -3.00 D lenses. With these lenses, his corrected near point is 25.0 cm. What is his uncorrected near point?
What will be an ideal response?
Which Terrestrial planet has the largest moon or moons relative to the planet circled?
a. Mercury b. Venus c. Earth d. Mars
A circuit contains a 2.0-M? resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery,
the capacitor reaches 25% of its maximum charge in 1.5 s. What is its capacitance?