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Question

A transverse wave passes through a string with the equation y= (10 cm) sin π (0.02x - 2.00t) where x is in metre and t in second. The maximum velocity of the particles in wave motion is (in cm/s)​ a) 63 b) 78 c) 100 d) 121

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Solution

Dear Student,

y=10 cmsin π0.02x-2.00tor, y=10 cmsin0.02πx-2.00πt ................ (1)comparing the equation (1) with y=A sinωt-kxA=10 cmω=2πmaximum velocity, v=v=10×2×3.14v=62.863 cm/s

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