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The figure shown at time t = 0 second, a...

The figure shown at time `t = 0` second, a rectangular and triangular pulse on a uniform wire are approcaching other. The pulse speed is `0.5 cm//s` . The resultant pulse at `t = 2` second is

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In 2 s each pulse will travel a distance of 1 cm. the two pulse overlap between 0 and 1 cm and shown in figure. So, `A_(1) and A_(2)` can be added as shown.
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