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'n Klavierstemmer hoor 'n swewing maksimum elke 2.15 sekondes wanneer hy 'n snaa...
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'n Klavierstemmer hoor 'n swewing maksimum elke 2.15 sekondes wanneer hy 'n snaar probeer instem teen 'n verwysingsnoot van 219 Hz. Hoever is die snaar af van die gewenste frekwensie (in Hz)?
A piano tuner hears one beat every 2.15 s when trying to adjust two strings, one of which is sounding 219 Hz. How far off in frequency is the other string?
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