When the Moon assumes its characteristic thin crescent shape, the position of the Sun is
A) almost directly behind the Earth, so Earth is between the Sun and the Moon.
B) almost directly in back of the Moon.
C) at right angles to the line between the Moon and Earth.
Answer: B
You might also like to view...
Water (density = 1 × 10^3 kg/m3) flows at 10 m/s through a pipe with radius 0.040 m. The pipe goes up to the second floor of the building, 2.0 m higher, and the pressure remains unchanged. What is the radius of the pipe on the second floor?
a. 0.045 m c. 0.015 m b. 0.034 m d. 0.012 m
A steel ball bearing of mass m1 and speed of magnitude v1 has a head-on elastic collision with a steel ball bearing of mass m2 at rest. Rank the speed v1 of m1 relative to v2, the magnitude of the speed of m2, after the collision when i) m1>m2; ii) m1 = m2; and iii) m1
A. v1v2; v1>v2
The average size of a white dwarf is about the same size as the Earth
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. In a given macropartition, the total entropy of a system comprised of two or more parts is always equal to the sum of the entropies of those parts.