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Amplitude

The amplitude...

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The amplitude of a wave disturbance propagating in the positive y-axis is given byy=1/1+x^{2 }at t=0s and y=1/\lbrack1+(x-1)^2 \rbrack at t=2s. Then find wave speed.1) 1 m/s 2) 1.5 m/s 3) 0.5 m/s 4) 2 m/s

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