Kirchhoff's Rules: Kirchhoff's loop rule is a statement of
A. the law of conservation of momentum.
B. the law of conservation of charge.
C. the law of conservation of energy.
D. the law of conservation of angular momentum.
E. Newton's second law.
Answer: C
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It is very cold, but otherwise quite comfortable. You breathe deeply
Although there is no oxygen (not to worry—your life-support belt will take care of that problem), the air pressure is quite tolerable and seems almost Earth-like (because it is mostly nitrogen). Your vista might even include such breathtaking sights as an ocean of liquid methane before you, and snow-capped (methane snow) mountains behind (although the atmosphere is very smoggy and the visibility consequently is limited). Your solar day is about 16 Earth days long. A large, ringed object seems to hang in your sky, never rising or setting; however, it goes through phases from new to full and back to new again with the same 16-day period as the rising and setting of the Sun.
The quantity that most relates to the size of an object is
A) mass. B) weight. C) volume. D) none of the above
When a hydrogen atom absorbs a photon that raises it to the n = 7 state, what is the greatest number of photons that can be emitted by that atom as it returns to the ground state?
a. 6 b. 7 c. 8 d. 14 e. The correct answer is not given.
If an object is hollow, where is its center of mass?
a. At the nearest point nearest the center where mass can be found. b. At the center, even though there is no mass actually there. c. Halfway between the hollow center and the nearest point where there is mass. d. All along the outer shell of the hollow object. e. At the point between the center and the edge where the average mass along that line is greatest.