Waves on a String: A wire that is 1.0 m long with a mass of 90 g is under a tension of 710 N. When a transverse wave travels on the wire, its wavelength is 0.10 m and its amplitude is 6.5 mm. What is the frequency of this wave?
A. 890 Hz
B. 920 Hz
C. 1000 Hz
D. 1200 Hz
E. 1500 Hz
Answer: A
You might also like to view...
Resistance and Resistivity: Consider two copper wires of equal length. One wire has twice the cross-sectional area of the other. How do the resistances of these two wires compare?
A. The thicker wire has twice the resistance of the thinner wire. B. The thicker wire has eight times the resistance of the thinner wire. C. The thicker wire has one-half the resistance of the thinner wire. D. The thicker wire has four times the resistance of the thinner wire. E. The thicker wire has one-fourth the resistance of the thinner wire.
Are there certain planets that each method cannot detect, even if the planets are very large? If so, why cannot they be detected?
What will be an ideal response?
The Apollo and Aten asteroids have orbits that:
A) cross the orbit of Earth at perihelion. B) cross the orbit of Mars, but not the Earth, at perihelion. C) remain between Mars and Jupiter, in the main belt. D) stay sixty degrees ahead of or behind Jupiter. E) stay out beyond Neptune.
Water flows into a swimming pool at the rate of 12 gal/min. The pool is 16 ft wide, 32 ft long and 6.0 ft deep. How long does it take to fill? (1 U.S. gallon = 231 cubic inches)
a. 32 hours c. 48 hours b. 64 hours d. 24 hours