9. In a long line of people waiting to buy tickets, the first person leaves and a pulse of motion occurs as people step forward to fill the gap. As each person steps forward, the gap moves through the line. The propagation of this gap is a. transverse or b. longitudinal. Ans:
9. In a long line of people waiting to buy tickets, the first person leaves and a pulse of motion occurs as people step forward to fill the gap. As each person steps forward, the gap moves through the line. The propagation of this gap is a. transverse or b. longitudinal. Ans:
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Transcribed Image Text:9. In a long line of people waiting to buy tickets, the first person leaves and a pulse of
motion occurs as people step forward to fill the gap. As each person steps forward, the
gap moves through the line. The propagation of this gap is
a. transverse or
b. longitudinal.
Ans:
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