If you double the spring constant of a harmonic oscillator, the oscillation frequency does what?
A. Decreases by a factor of 2.
B. Decreases by a factor of 
.
C. Does not change.
D. Increases by a factor of .
E. Increases by a factor of 2.
F. Changes by some other factor (specify).
D. Increases by a factor of .
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Einstein revolutionized modern physics by ____
a. documenting the existence of gravity through experiments on objects in motion b. proving that Galileo and Newton were fundamentally incorrect about gravity c. explaining how specific gravity impacts the geometry of curved space-time d. providing an explanation of gravity based on the geometry of curved space-time e. defining the difference between violent motion and natural motion
A watt is equal to 746 horsepower
a. True b. False Indicate whether the statement is true or false
When light from the air enters a raindrop, the light
A) slows down. B) remains at speed c. C) speeds up. D) none of the above
Movement of air aloft can influence surface air pressure; sometimes air aloft spreads apart—it diverges—decreasing the mass of air above the surface. This causes the surface air pressure to
A) increase and surface winds to blow inward toward the center of highest pressure. B) decrease and surface winds to blow inward toward the center of high pressure. C) increase and surface winds to blow inward toward the center of low pressure. D) decrease and surface winds to blow inward toward the center of lowest pressure.