Sound Vibrations A tuning fork is struck, producing a puretone as its tines vibrate. The

Chapter 5, Problem 84

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Sound Vibrations A tuning fork is struck, producing a puretone as its tines vibrate. The vibrations are modeled by thefunction1t 2 0.7 sin1880pt 2where 1t 2 is the displacement of the tines in millimeters attime t seconds.(a) Find the period of the vibration.(b) Find the frequency of the vibration, that is, the numberof times the fork vibrates per second.(c) Graph the function .

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