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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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
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?