Question: Figure P12.72A shows two wave pulses at time t = 0 s. The pulses travel at 5 cm/s in opposite directions.? (a) Sketch the resulting

Figure P12.72A shows two wave pulses at time t = 0 s. The pulses travel at 5 cm/s in opposite directions.?

(a) Sketch the resulting waveform for the times t = 1 s, 2 s, and 3 s.?

(b) Figure P12.72B shows a different set of two pulses. Sketch the resulting waveform for these pulses at the times t = 1 s, 2 s, and 3 s.

Figure P12.72

?(m) 5 cm/s 12 5 cm/s 4 x (cm) 5 10 15

(m) 5 cm/s 12 5 cm/s 4 x (cm) 5 10 15 20 25 30 35 40 A (cm) 5 cm/s 5 cm/s 8. 4 30 35 5 10 15 20 25 x (cm) 40 -4 -8 + 00 B

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