Suppose the Moon had twice as much mass as it does now and still orbits Earth at the same distance. In that case, the ocean bulges on Earth would be
A) larger.
B) smaller.
C) unequal in size.
D) not significantly different.
E) none of these
Answer: A
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During the Cenozoic, animals grew to great sizes and proportions. The woolly mammoth and the saber tooth tiger were much larger than animals we see today. Some of the causes for their extinction may be
A) the emergence of man and competition for food. B) burning of the grasslands, severe climatic change, and man's emergence. C) dwindling food supplies, extreme climatic variation, and man's emergence. D) the extensive ice sheets that covered the land surface.
How is the energy stored in a current-carrying inductor related to its self-inductance, L?
a. directly proportional to L2 b. directly proportional to L1/2 c. directly proportional to L d. inversely proportional to L
A molecule has
A) mass. B) structure. C) energy. D) all of the above E) none of the above
A piston compresses a gas, while at the same time heat is lost to the surroundings. The temperature of the gas rises. This is governed by the __________ law of thermodynamics
Fill in the blank(s) with correct word