If a mass has its speed doubled, what happens to its relativistic momentum?
A. nothing happens
B. the momentum doubles
C. the momentum halves
D. the momentum more than doubles
E. the momentum increases a little less than double
D. the momentum more than doubles
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Which of the following is true of early astronomers?
A) They knew that there were many other galaxies in the Universe. B) They thought the entire Universe consisted of Earth, the Sun, the Moon, and five other planets. C) They knew that the planets were made of rock and gas, much like Earth. D) They thought that stars were other objects like the Sun and that we lived inside a galaxy.
Which of the following are the jovian planets?
A) Jupiter, Saturn, Uranus, Neptune, and Pluto B) only Jupiter C) only Jupiter and Saturn D) Jupiter, Saturn, Uranus, and Neptune only E) everything past Mars and the asteroid belt
What type of glacier is formed when a valley floor is covered with compressed glacial ice?
a. Continental glacier b. Stream glacier c. Valley glacier d. Cirque glacier
The annual amount of snow lost by a glacier is called
A) accumulation. B) sublimation. C) ablation. D) sustation.