A gun with a muzzle velocity of 100 m/s is fired horizontally from a tower. Neglecting air resistance, how far downrange will the bullet be 1 second later?
A) 50 m
B) 98 m
C) 100 m
D) 490 m
E) none of the above
Answer: C
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The inert-gas atoms have the group number of ______________.
Fill in the blank(s) with the appropriate word(s).
The weight that will cause a wire of diameter d to stretch a given distance, for a fixed length of wire, is
A) independent of d. B) proportional to d. C) proportional to d2. D) independent of what the length of the wire is.
Which of the following statements about carbon-14 dating is true?
A) Carbon-14 dating is very accurate because the amount of carbon-14 in the atmosphere is constant. B) Carbon-14 can be used to date anything younger than 50,000 years. C) Carbon-14 dating can be used to date stone tools as well as bone. D) all of the above E) none of the above
Which sequence is correct when ordered by increasing size?
a. Earth, Solar System, Milky Way Galaxy, clusters of galaxies b. Solar System, Earth, galaxy clusters, Milky Way Galaxy c. Earth, Milky Way Galaxy, Solar System, galaxy clusters d. Galaxy clusters, Solar System, Milky Way Galaxy, Earth