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Statement of a problem № 2772

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A 60 cm long bar, clamped at its middle, is vibrated lengthwise by an alternating force at its end. (See Fig. 22-3.) Its fundamental resonance frequency is found to be 3.0 kHz. What is the speed of longitudinal waves in the bar?

Solution:
A 60 cm long bar, clamped at its middle, is vibrated lengthwise by an alternatin

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