Resolution: If the diameter of a radar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged?
A. The resolving power quadruples.
B. The resolving power doubles.
C. The resolving power is cut in half.
D. The resolving power is reduced to one-quarter its original value.
Answer: B
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A. 3 B. 0 C. 1 D. 4 E. 2
Which of the features is seen on the surface of Europa?
A) impact craters B) giant cracks C) water ice D) all of these are seen
The process in which one plate slides under another is called subduction and occurs where seafloor crust descends into the mantle below continental crust
Indicate whether the statement is true or false
A certain spherical asteroid has a mass of 3.5 × 1016 kg and a radius of 8.8 km. What is the minimum speed needed to escape from the surface of this asteroid? (G = 6.67 × 10-11 N • m2/kg2)
A) 23 m/s B) 16 m/s C) 520 m/s D) 730 m/s