Question

draw a
displacement distance graph for two web A and B such that the amplitude of wave a is three times that of B ​

Answer 1

There might be an error in your question since "displacement-distsnce" has no significance. However, I shall provide you with the displacement- time graph of two Waves.

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Suppose,

◾ the displacement equation of wave A is....

$y_{a} = a \: sin(wt)$

◾the displacement equation wave B is....

$y_{b} = (3a) \: sin(wt)$

The displacement- time graph of two waves would look like....

➡(refer in attachment)⤴⤴⤴⤴⤴

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