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The figure shows a snap photograph of a ...

The figure shows a snap photograph of a vibrating string at t = 0. The particle P is observed moving up with velocity `20 sqrt3` cm/s. The tangent at P makes an angle `60^@` with x-axis.

Write the equation of the wave.

Text Solution

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`x = 0.4 sin [10 pi t -pi/2 xx + (3pi)/4]`
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