For increased atmospheric pressure, the boiling point of water
A) goes down.
B) rises.
C) remains at 100 degrees C.
Answer: B
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A "megawatt" is
A) 1,000,000 watts. B) 1,000,000,000 watts. C) 1000 watts. D) 100 watts. E) None of the above.
During the full moon phase, how much of the illuminated portion of the Moon's surface is visible from Earth?
What will be an ideal response?
Two objects, A and B, are placed on an inclined plane that can be rotated to different angles of elevation. A starts to slide at twice the angle of elevation that B starts sliding. The respective coefficients for static friction for A and B are ?A and ?B. Choose the last answer that is correct
a. ?B > ?A b. ?A > ?B c. ?B = 2 ?A d. ?A = 2 ?B
Thin Lenses: How far from a +50-mm focal length lens, such as is used in many 35-mm cameras, must an object be placed so it will form a real image that is 3.0 times the size of the object?
A. 46 mm B. 52 mm C. 58 mm D. 67 mm