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between a reference oscillator an? While attempting to tune the note C at 525 Hz, a piano tuner hears 2 beats/s between a reference oscillator and the string.
(a) What are the possible frequencies of the string? ___Hz (lowest possible frequency)
____Hz (highest possible frequency)
(b) When she tightens the string slightly, she hears 3 beats/s. What is the frequency of the string now?
_____Hz
(c) By what percentage should the piano tuner now change the tension in the string to bring it into tune? (Give a positive answer for an increase in the tension, or a negative answer for a decrease in the tension.)
______%
(a) What are the possible frequencies of the string? ___Hz (lowest possible frequency)
____Hz (highest possible frequency)
(b) When she tightens the string slightly, she hears 3 beats/s. What is the frequency of the string now?
_____Hz
(c) By what percentage should the piano tuner now change the tension in the string to bring it into tune? (Give a positive answer for an increase in the tension, or a negative answer for a decrease in the tension.)
______%