Which statement about the first quarter moon is FALSE?
A) It rises about noon.
B) From the Earth, it appears 25% sunlit.
C) It is the half moon of the evening sky.
D) It is highest in the sky at sunset.
E) It occurs about a week after new moon.
B
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At the Earth's surface, approximately 1000 W/m2 is present due to solar radiation. If 1390 W are incident upon a 1.0 m x 1.5 m window in a vertical, south-facing wall at this time, what is the angle with respect to the vertical of the sun’s rays?
A. 
B. 
C. 
D. 
E. 
F. 
60. mi/h is approximately
A) 20. m/s. B) 120. m/s. C) 30. m/s. D) 60. m/s. E) 30. km/h.
A quantity of an ideal gas is kept in a rigid container of constant volume. If the gas is originally at a temperature of 19°C, at what temperature will the pressure of the gas double from its original value?
A) 91°C B) 38°C C) 311°C D) 273°C E) 122°C
Terrence goes for a walk. He walks 2.0 km north, then turns and walks 4.0 km south of east. What is his displacement vector? Take east to be in the +-direction and north to be in the +-direction.
a. (2.0 + 4.0 ) km b. (2.8 – 0.8 ) km c. (4.8 + 5.7 ) km d. (5.7 – 2.8 ) km