Simple Harmonic Motion: A simple harmonic oscillator oscillates with frequency f when its amplitude is A. If the amplitude is now doubled to 2A, what is the new frequency?
A. 2f
B. 4f
C. f
D. f/2
E. f/4
Answer: C
You might also like to view...
What happens after a helium flash?
A) The core quickly heats up and expands. B) The star breaks apart in a violent explosion. C) The core suddenly contracts. D) The core stops fusing helium. E) The star starts to fuse helium in a shell outside the core.
In a circuit involving resistance and capacitance, which of the following choices would result in the longest time constant?
a. R = 100 ?, C = 30 ?F b. R = 300 ?, C = 150 ?F c. R = 75 ?, C = 75 ?F d. R = 200 ?, C = 200 ?F
A significant step in "unifying" the forces of nature was the discovery that two of the so-called fundamental forces were two parts of a single force. The two forces that were so unified were
A) the electromagnetic force and the weak force. B) the weak force and the strong nuclear force. C) the electromagnetic force and the strong nuclear force. D) the electromagnetic force and the gravity force.
Vicki very closely examines her new ruby ring with the jeweler's "loop." The ruby appears 7.0 times larger through this lens than when she views it close-up without the "loop"
If her near point is 35 cm, what is the focal length of the lens of the "loop"? A) 5.8 cm B) 6.7 cm C) 4.2 cm D) 3.6 cm E) 7.0 cm