Lunar volcanism is obvious from the huge mare basins, and the more localized ________
Fill in the blank(s) with correct word
rilles
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At point P the magnetic field due to a long straight wire carrying a current of 2.0 A is 1.2 µT. How far is P from the wire? (?0 = 4? × 10-7 T ? m/
A) A) 11 cm B) 22 cm C) 33 cm D) 44 cm E) 55 cm
At a particular instant, a proton moves toward the east in a uniform magnetic field that is directed straight downward. The magnetic force that acts on it is
A) downward. B) upward. C) zero. D) toward the north. E) toward the south.
The loudness of a sound is most closely related to its
A) speed. B) frequency. C) wavelength. D) intensity.
At what temperature is the rms speed of hydrogen molecules, H2, which have a molecular weight of 2.02 g/mole, equal to 2.0 km/s? The Boltzmann constant is 1.38 × 10-23 J/K and NA = 6.022 × 1023 molecules/mol
A) 17°C B) 51°C C) 68°C D) 72°C E) 34°C