The process in which a gas cools and its molecules stick together to form liquid particles is called
A. depression.
B. sublimation.
C. condensation.
D. evaporation.
Answer: C
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Neptune's largest moon, Triton, orbits in a direction opposite to the direction in which Neptune rotates. Which of the following is most likely implied by this fact?
A) Triton experiences very strong tidal forces. B) Triton probably formed as the result of a giant impact. C) Triton probably was captured into orbit by Neptune. D) Triton probably formed in its current orbit around Neptune. E) Triton probably has a rocky, asteroid-like composition.
Simple pendulum A swings back and forth at twice the frequency of simple pendulum B. Which statement is correct?
A) Pendulum B is twice as long as A. B) Pendulum B is twice as massive as A. C) The length of B is times the length of A. D) The mass of B is times the mass of A. E) The length of A is times the length of B.
One of the most likely places an advanced civilization might leave an artifact for us to find would be
A) in the desert of Roswell, New Mexico B) the L4 and L5 points in the Earth—Moon system C) in the Cydonia region of Mars D) on the far side of the Moon
A long cylinder (radius = 3.0 cm) is filled with a nonconducting material which carries a uniform charge density of 1.3 mC/m3 . Determine the electric flux through a spherical surface (radius = 2.0 cm) which has a point on the axis of the cylinder as its center
a. 5.7 N × m2/C b. 4.9 N × m2/C c. 6.4 N × m2/C d. 7.2 N × m2/C e. 15 N × m2/C