When Voyager 2 flew by Neptune in 1989, the largest feature observed was the _____, which is roughly the size of Earth
A) Cassini Division
B) Great Dark Spot
C) Kuiper Belt
D) Maunder Minimum
B
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It's the summer solstice, the Sun is at your zenith, and you have a UT clock that tells you it is midnight in Greenwich, England. Where are you?
A) on the Tropic of Cancer near the International Date Line B) on the equator near the International Date Line C) on the Tropic of Cancer, due south of Greenwich, England D) at latitude 25°S and longitude 49°E
A uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing through the center of the stick with an angular speed of 3.50 rad/s2. What is the magnitude of the angular momentum of the stick?
A) 0.0394 kg?m2/s B) 0.473 kg?m2/s C) 0.0739 kg?m2/s D) 0.158 kg?m2/s E) 0.0236 kg?m2/s
If a heat engine has an efficiency of 30% and its power output is 600 W, what is the rate of heat input from the combustion phase?
a. 1800 W c. 2000 W b. 2400 W d. 3000 W
As a wave passes from one medium into another, it often happens that its speed increases with no change in frequency. Under these circumstances, the wavelength
A. decreases. B. increases. C. stays the same.