Which of these lists is in order of increasing wavelength?
A. First harmonic, second harmonic, fundamental
B. Third harmonic, second harmonic, first harmonic
C. Second harmonic, third harmonic, fourth harmonic
D. First harmonic, second harmonic, third harmonic
Answer: B
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Aristotle believed that objects falling to the ground fall at a constant rate of speed
a. True b. False Indicate whether the statement is true or false
A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity decreases to 10 rad/s. Assume that the angular acceleration is constant during the 5.0-s interval. How many radians does the wheel turn through during the 5.0-s interval?
a. 95 rad b. 85 rad c. 65 rad d. 75 rad e. 125 rad
If it is given that 546 K equals 273°C, then it follows that 423 K equals:
a. 127°C. c. 473°C. b. 150°C. d. 1200°C.
The larger terrestrial planets have surface features that tend to be
A) more cratered. B) older. C) younger. D) more rocky. E) more icy.