Determining amplitude HELP Please
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Determining amplitude HELP Please

[From: ] [author: ] [Date: 12-04-12] [Hit: ]
-Amplitude is the difference between the peak and the trough. In your case its 6.5-2.5=4.......
I have a cyclical graph of a sound wave with three points X,Y,Z. X and Z represent crests and Y is a trough. There coordinates are X(0.0054, 6.5), Y(0.0065,2.5) and Z (0.0076,6.5). I've managed to find the period which is 0.0022 and the frequency 454.55 hertz but now its asking for the amplitude and there is no visible line that shows the axis of symmetry so I don't know how to calculate the amplitude. Any help would be greatly appreciated.

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Amplitude is the difference between the peak and the trough. In your case it's 6.5-2.5=4.0
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