Inertia is defined as a
A) force.
B) property of matter.
C) change in motion.
D) none of the above
Answer: B
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Planetary orbits are
a. parabolas. b. ellipses. c. circles. d. none of the above.
A series RLC circuit has a 100-? resistor, 2.0-mH inductor and a 4.0-?F capacitor connected across a 120-V rms ac source at 1000/? Hz. What is the power factor of this circuit?
A) 0.54 B) 0.94 C) 0.64 D) 0.84 E) 0.74
Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 2 sin (?x) cos (3?t) where x is in m and t is in s. What is the distance (in m) between the first two antinodes?
a. 8 b. 2 c. 4 d. 1 e. 0.5
The object described in problem N12T.2 has an orbital eccentricity of:
A. 1.08 B. 1.81 C. 0.81 D. 0.90 E. 1.35 F. Other (specify)