About where is our solar system located within the Milky Way Galaxy?
a) about half way from the center of the galaxy to the outskirts of the galactic disk
b) in the halo of the galaxy about the galactic disk
c) near the far outskirts of the galactic disk
a) about half way from the center of the galaxy to the outskirts of the galactic disk
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The source of large icebergs is
A) glaciers. B) sea ice. C) ice and snowstorms at high latitudes. D) summer thawing.
If the voltage across a circuit of constant resistance is doubled, the power dissipated by that circuit will
A) be four times as large. B) be two times as large. C) decrease to one-half the original power. D) decrease to one-fourth the original power.
If the frequency of blinks for a light source appears to double as the light source approaches you, the frequency of blinks as it moves away from you at the same speed
A) is halved. B) is doubled. C) stays the same.
The slope of the acceleration-time curve represents:
a. the velocity. b. the rate of change of acceleration. c. the rate of change of displacement. d. the area under the position vs. time curve.