Why do the jovian planets in our solar system bulge around their equators?
A) They are much more massive than the terrestrial planets.
B) Their large systems of moons and rings gravitationally attract the mass around the equator more.
C) Their rapid rotation flings the mass near the equator outward.
D) Their internal heat sources exert more pressure at the equator.
C) Their rapid rotation flings the mass near the equator outward.
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The spacing of the atoms in the H2 molecule is 7.4 x 10-11 m. What is the energy of the L = 1 rotational level?
A) 9.0 x 10-2 eV B) 7.0 x 10-2 eV C) 4.5 x 10-2 eV D) 3.0 x 10-2 eV E) 1.5 x 10-2 eV
The ________ of Jupiter's disk is caused by its high rate of rotation and a gaseous composition
Fill in the blank(s) with correct word
Standing Waves on a String: A string fixed at both ends is vibrating in one of its harmonics. If we now increase only the frequency at which the string is vibrating, which of the following characteristics do we also increase? (There could be more than one correct choice.)
A. the speed of the traveling waves on the string B. the period of the traveling waves on the string C. the wavelength of the traveling waves on the string D. the amplitude of the traveling waves on the string E. None of these
What is the origin of short gamma ray bursts?
A) the collision of stars in the dense nuclei of distant galaxies B) new stars forming in the Milky Way C) very powerful supernovae occurring in distant galaxies D) supernovae in the Milky Way E) It is not known, but it may be the collision of a neutron star with a black hole.