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A symmetrical triangular pulse of maximu...

A symmetrical triangular pulse of maximum height 0.4m and total length 1 m is moving in the positive x-direction on a string on which the wave speed is 24 m/s. At t = 0 the pulse is entirely located between x = 0 and x = 1 m. Draw a graph of the transverse velocity of particle of string versus time at x = +1m.

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