The hollows on Mercury are:
A) isolated depressions found in all parts of impact craters.
B) clusters of depressions found near the center of impact craters.
C) large depressions found in the Caloris Basin.
D) large depressions found in the smooth plains.
E) clusters of depressions that are not associated with impact craters in the smooth plains.
B
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The energy of a photon
a. is proportional to the wavelength of the light. b. is inversely proportional to the wavelength of the light. c. depends only on the speed of the light. d. depends only on the mass of the photon. e. depends on both the mass and speed of the photon.
A tennis ball bounces on the floor three times. If each time it loses 22.0% of its energy due to heating, how high does it rise after the third bounce, provided we released it from the floor?
A) 110 cm B) 11 cm C) 110 mm D) 140 cm
When a parallel-plate capacitor of capacitance C is connected to a battery of voltage V, the energy density in the capacitor is u
If the voltage of battery is doubled, which of the following changes would keep the energy density equal to its previous value u? A) doubling the spacing of the plates B) doubling the size of the plates C) reducing the size of the plates by half D) reducing the spacing of the plates E) The energy density is unaffected by a change in the voltage.
The maximum mass of a white dwarf is ____________________ solar masses
Fill in the blank(s) with correct word