The wavelength of a wave is
A) how strong the wave is.
B) the distance between a peak of the wave and the next trough.
C) the distance between two adjacent peaks of the wave.
D) the distance between where the wave is emitted and where it is absorbed.
E) equal to the speed of the wave times the wave's frequency.
C) the distance between two adjacent peaks of the wave.
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The spacecraft called Curiosity is
A) a rover on Mars. B) an orbiter studying Jupiter. C) a robotic lander on Venus. D) currently orbiting Saturn.
A 120-V rms voltage at 2000 Hz is applied to a 6.0-mH inductor, a 2.0-?F capacitor, and a 200-? resistor. What is the rms value of the current in this circuit?
A) 1.5 A B) 0.48 A C) 2.5 A D) 3.5 A E) 0.59 A
Given that the acceleration due to gravity on Mars is 3.7 m/s2, what is the gravitational field near Mar's surface?
A. 3.7 N/kg B. 3.7 N/kg up C. 3.7 N/kg down D. 10 N/kg down
Two electrons are separated by 7.0 cm. What is the ratio of the electric force to the gravitational force between them? (me = 9.11 × 10^?31 kg, ke = 8.99 × 10^9 N/m2/C2, G = 6.67 × 10^–11 N/m2/kg2, and e = 1.6 × 10^?19 C)
a. 2.3E+2 b. 1.3E+20 c. 3.1E+22 d. 4.2E+42 e. 1