Which is the correct model to describe our Solar System?
A) geocentric
B) heliocentric
C) random motion
D) lunarcentric
E) planocentric
Answer: B) heliocentric
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A type II supernova
a. occurs when a white dwarf's mass exceeds the Chandrasekhar limit. b. is the result of helium flash. c. is characterized by a spectrum that shows hydrogen lines. d. occurs when the iron core of a massive star collapses. e. is characterized by a spectrum that shows hydrogen lines and occurs when the iron core of a massive star collapses.
When Mary is 3.00 m from the center of a merry-go-round, her tangential speed is a constant 1.88 m/s. (a) What is her angular speed in rad/s? (b) What is the magnitude of her linear acceleration?
What will be an ideal response?
Folded rock layers that resemble an arch are called
a. inclines. b. synclines. c. anticlines. d. paraclines.
Which of the following statements is true about the spin-orbit coupling effects on the transitions of an atom such as sodium? Assume sodium is modeled by a single electron atom