Alan Guth is best known for
d.
Guth proposed the inflationary universe in 1979.
Physics & Space Science
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The Local Group
A. is a supercluster. B. has the Milky Way as its center. C. contains about 30 member galaxies. D. is the small cluster to which the Milky Way belongs. E. None of these choices is correct.
Physics & Space Science
The prediction of special relativity that moving clocks run slow is
a. time dilation. b. length contraction. c. the equivalence of mass and energy. d. the principle of relativity. e. none of the above.
Physics & Space Science
Springs: An ideal spring has a spring constant (force constant) of 60 N/m. How much energy does it store when it is stretched by 1.0 cm?
A. 0.0030 J B. 0.30 J C. 60 J D. 600 J
Physics & Space Science
The SI unit of power is the ______________
Fill in the blank(s) with correct word
Physics & Space Science