The Sun's location in the Milky Way Galaxy is
A) near the galactic center.
B) in the galactic disk, roughly halfway between the center and the outer edge of the disk.
C) in the halo of the galaxy, about 27,000 light-years above the galactic disk.
D) at the outer edge of the galactic disk.
B) in the galactic disk, roughly halfway between the center and the outer edge of the disk.
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Microscopic slush in water tends to make the water
A) more dense. B) less dense. C) slipperier. D) warmer.
An 18-mm-wide diffraction grating has rulings of 710 lines per millimeter. Monochromatic light of wavelength 506 nm wavelength is incident normally on the grating
What is the largest angle from the centerline at which an intensity maximum is formed? A) 46° B) 44° C) 42° D) 40° E) 38°
When a 4-?F capacitor has a potential drop of 20 V across its plates, how much electric potential energy is stored in this capacitor?
A) 0.8 ?J B) 8 ?J C) 80 ?J D) 800 ?J E) 8000 ?J
When a capacitor is fully charged, the current through the capacitor in a direct-current circuit is
a. zero. b. at its maximum value. c. equal to the current in a resistive circuit in parallel with the capacitor circuit. d. greater than the current in a resistor that is farther from the battery than the capacitor. e. zero if it is the only capacitor, but maximum if there is another capacitor in series with it.