According to Aristotle, an object with no forces acting on it will ____
a. move faster and faster
b. eventually stop moving
c. move at a constant speed forever
d. first increase and then decrease in speed
e. first decrease and then increase in speed
b
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The center of the Milky Way galaxy is in the direction of the constellation ____
a. Sagittarius b. Scorpius c. Orion d. Perseus e. Andromeda
Nimbus means
a. "poorly formed.". b. "rain forming cloud.". c. "heap.". d. none of these.
A conclusion of the Michelson-Morley experiments was that
A. interference of EM-waves does not happen. B. the ether doesn't exist. C. Galilean relativity holds. D. light has momentum. E. light has no momentum.
One of the emission lines described by the original version of Balmer's formula has wavelength 377nm. What is the value of n in Balmer's formula that gives this emission line?
A) 11 B) 12 C) 13 D) 14