Mathematics, 30.11.2019 00:31 Imanilh

The frequency of vibration of a piano string varies directly as the square root of the tension on the string and inversely as the length of the string. the middle a string has a frequency of 440 vibrations per second. find the frequency of a string that has 1.25 times as much tesnsion and is 1.2 times as long.

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