Problem on common frequency of the string
A string, 0.260 m long, vibrating in the m = 6 harmonic, excites an open pipe, 0.880 m long, into its third resonant frequency. The common frequency of the string and the pipe is closest to:
A) 485 Hz
B) 685 Hz
C) 885 Hz
D) 585 Hz
E) 785 Hz
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Listed are typical financial activities of a local governmental unit. 1. The legislative unit approved the budget for the general operating fund. Estimated revenues are $4,000,000, and appropriations for expenditures are $3,800,000.
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What pressure differential in inches of Hg should exist between the larger and the smaller pipes? What differential pressure should be found if the fluid is changed to water at the same flow rate?
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