The surface of Mercury resembles the Moon's surface in that they are both ________.
A. covered with volcanoes
B. eroded by wind
C. heavily cratered
D. newly resurfaced
Answer: C
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Momentum: A 100-g ball falls from a window that is 12 m above ground level and experiences no significant air resistance as it falls. What is its momentum when it strikes the ground?
A. 3.3 kg ? m/s B. 4.8 kg ? m/s C. 1.8 kg ? m/s D. 1.5 kg ? m/s E. 2.4 kg ? m/s
The primary of a transformer is the coil connected to
A) the load. B) the Internet. C) the input power line. D) none of the above
The hotter an object, the bluer it appears
a. True b. False Indicate whether the statement is true or false
As the temperature of a radiation emitting blackbody becomes lower, what happens to the peak wavelength of the radiation?
a. remains constant b. increases c. decreases d. is directly proportional to temperature