Question: A piano string sounds middle A by vibrating primarily at 220 Hz. (a) Calculate the string's period and angular frequency. (b) Calculate the period and

A piano string sounds middle A by vibrating primarily at 220 Hz.
(a) Calculate the string's period and angular frequency.
(b) Calculate the period and angular frequency for a soprano singing an A one octave higher, which is twice the frequency of the piano string.

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