Two wave pulses on a string approach one another at the time t = 0, as shown in the Figure, Each pulse moves with a speed of 1.0 m/s. Make a careful sketch of the wave pulses at the times t=1.0 s, 2.0 s, 2.5 s, 3.0 s, and 4.0 s, assuming that the superposition principle holds for these waves, and that the absolute value of the height of each pulse is 1 mm in the figure below (These sketches are important to help you solve the question, some have been done for you). Determine the value of the amplitude of the resultant wave at position x = 4.3 m at these five moments in time (Note: the use of geometry and similar triangles is necessary for some of the times to find the amplitude at various places on the triangular waveform).

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