If the Moon rises around 3 A.M., its phase must be
A) full.
B) first quarter.
C) third quarter.
D) waning crescent.
E) waxing crescent.
C) third quarter.
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A stock person at the local grocery store has a job consisting of the following five segments:
(1) picking up boxes of tomatoes from the stockroom floor (2) accelerating to a comfortable speed (3) carrying the boxes to the tomato display at constant speed (4) decelerating to a stop (5) lowering the boxes slowly to the floor. During which of the five segments of the job does the stock person do positive work on the boxes? A) (1) and (5) B) (1) only C) (1), (2), (4), and (5) D) (1) and (2) E) (2) and (3)
What happens to the total relativistic energy of a speedy proton when its relativistic mass doubles?
A) It doubles. B) It more than doubles. C) It less than doubles. D) It must increase, but it is impossible to say by how much.
What is the equivalent capacitance of the combination shown?
a.
29 ?F
b.
10 ?F
c.
40 ?F
d.
25 ?F
e.
6.0 ?F
What is the nearest huge cluster of galaxies to our Local Group?
A) Coma Cluster B) Centaurus Cluster C) Virgo Cluster D) Orion Nebula E) Hercules Cluster