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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

If you stretch a rubber hose and pluck it, you can observe a pulse traveling up and down the hose. What happens to the speed of the pulse if you stretch the hose more tightly? What happens to the speed if you fill the hose with water?

To determine
What happens to the speed of the pulse when the hose is stretched more tightly and what happens to the speed of the pulse when the hose is filled with water.

Explanation
The speed of a wave traveling on a stretched string of mass per unit length μ and under tension T is given by,

v=Fμ

  • v is the velocity
  • F is the tension on the string
  • μ is the mass per unit length

When the hose is stretched more tightly the tension becomes more

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