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7
A string with length L = 2 m, fixed at both ends, has two adjacent resonances at frequencies 112 Hz and 140 Hz. What is the velocity of the standing waves on the string? 112 m/s. v=84 m/s V = 56 m/s v=168 m/s Ov-140 m/s
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Transcribed Image Text:A string with length L = 2 m, fixed at both ends, has two adjacent resonances at frequencies 112 Hz and 140 Hz. What is the velocity of the standing waves on the string? 112 m/s. v=84 m/s V = 56 m/s v=168 m/s Ov-140 m/s
When a string of length L is clamped at both ends, the lowest three resonant frequencies are 50, 100 and 150 Hz. When the string is clamped at its midpoint, the lowest three resonant frequencies are: 200, 400 and 600 Hz 25, 50 and 75 Hz O None of the listed choices 75, 150 and 225 Hz 100, 200 and 300 Hz
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Transcribed Image Text:When a string of length L is clamped at both ends, the lowest three resonant frequencies are 50, 100 and 150 Hz. When the string is clamped at its midpoint, the lowest three resonant frequencies are: 200, 400 and 600 Hz 25, 50 and 75 Hz O None of the listed choices 75, 150 and 225 Hz 100, 200 and 300 Hz
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