A 2.0-g string that is 0.67 m long is under tension. The string vibrates at 700 Hz tone in its third harmonic, and this vibration causes a sound wave. What is the wavelength of the sound? The speed of sound in air is 344 m/s
A) 0.49
B) 0.55
C) 0.61
D) 0.67
E) 0.45
A
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A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (?GOLD = 1.42 × 10?5/°C)
What will be an ideal response?
Suppose the amount of fish caught worldwide, assumed to be a small proportion of the total fish population, grows at an annual rate of 3%. About how long will it take for the fish catch to double?
a. 10 yr b. 13 yr c. 18 yr d. 23 yr e. 33 yr
Both the pressure and volume of a given sample of an ideal gas double. This means that its temperature in Kelvins must
A) double. B) quadruple. C) reduce to one-half its original value. D) reduce to one-fourth its original value. E) remain unchanged.
The SI unit of electric charge is e, the charge on the electron
a. True b. False Indicate whether the statement is true or false