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Physics for Scientists and Enginee...

10th Edition
Raymond A. Serway + 1 other
ISBN: 9781337553278

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BuyFindarrow_forward

Physics for Scientists and Enginee...

10th Edition
Raymond A. Serway + 1 other
ISBN: 9781337553278
Textbook Problem

(i) 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. Is the propagation of this gap (a) transverse or (b) longitudinal? (ii) Consider “the wave” at a baseball game: people stand up and raise their arms as the pulse arrives at their location, and the resultant pulse moves around the stadium. Is this pulse (a) transverse or (b) longitudinal?

(i)

To determine

The nature of the propagation of the gap.

Explanation

In a transverse wave the disturbance in the medium is perpendicular to the direction of propagation. In a longitudinal wave the disturbance in the medium is parallel to the direction of propagation.

In this case, the direction of propagation of the wave is towards the ticket window. When one person leaves, the gap is filled by the next person step forward to fill the gap it means the disturbance in the medium is also towards the ticket window...

(ii)

To determine

The resultant pulse moves around the stadium and the pulse is (a) transverse or (b) longitudinal

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