You would be richest if your hunk of gold had a mass of one kilogram
A) on the moon.
B) on Earth.
C) Actually it wouldn't make any difference.
C
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Graphical Analysis: The area under a curve in a velocity versus time graph gives
A. acceleration. B. velocity. C. displacement. D. position.
The near point of a farsighted person is 100 cm. She places reading glasses close to her eye, and with them she can comfortably read a newspaper at a distance of 25 cm. What lens power is required?
A) +2.5 D B) +3.0 D C) -2.0 D D) +3.2 D E) -2.5 D
Which of the following best describes how galaxies are distributed on large scales in the universe?
A) Galaxies are distributed in a great shell expanding outward from the center of the universe. B) Galaxies are randomly distributed. C) Galaxies are uniformly distributed. D) Galaxies appear to be distributed in chains and sheets that surround great voids. E) Galaxies are distributed in a hierarchy of clusters, superclusters, and hyperclusters.
A concave spherical mirror has a focal length of magnitude 20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is the image located?
A) 12 cm in front of the mirror B) 60 cm behind the mirror C) 60 cm in front of the mirror D) 12 cm behind the mirror