Question

what is amplitude ? pls say fast ​

Answer 1

Answer:

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The amplitude of a periodic variable is a measure of its change in a single period. There are various definitions of amplitude, which are all functions of the magnitude of the differences between the variable's extreme values. In older texts, the phase of a period function is sometimes called the amplitude.

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Answer 2

Answer:

the maximum extent of a vibration or oscillation, measured from the position of equilibrium.