51. As you enter a fine restaurant, you realize that you have accidentally brought a small electronic timer from home instead of your cell phone. In frustration, you drop the timer into a side pocket of your suit coat, not realizing that the timer is operating. The arm of your chair presses the light cloth of your coat against your body at one spot. Fabric with a length L hangs freely below that spot, with the timer at the bottom. At one point during your dinner, the timer goes off and a buzzer and a vibrator turn on and off with a frequency of 1.50 Hz. It makes the hanging part of your coat swing back and forth with remarkably large amplitude, draw- ing everyone's attention. Find the value of L.

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter38: Relativity
Section: Chapter Questions
Problem 44AP
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51. As you enter a fine restaurant, you realize that you
have accidentally brought a small electronic timer from
home instead of your cell phone. In frustration, you
drop the timer into a side pocket of your suit coat, not
realizing that the timer is operating. The arm of your
chair presses the light cloth of your coat against your
body at one spot. Fabric with a length L hangs freely
below that spot, with the timer at the bottom. At one
point during your dinner, the timer goes off and a
buzzer and a vibrator turn on and off with a frequency
of 1.50 Hz. It makes the hanging part of your coat swing
back and forth with remarkably large amplitude, draw-
ing everyone's attention. Find the value of L.
Transcribed Image Text:51. As you enter a fine restaurant, you realize that you have accidentally brought a small electronic timer from home instead of your cell phone. In frustration, you drop the timer into a side pocket of your suit coat, not realizing that the timer is operating. The arm of your chair presses the light cloth of your coat against your body at one spot. Fabric with a length L hangs freely below that spot, with the timer at the bottom. At one point during your dinner, the timer goes off and a buzzer and a vibrator turn on and off with a frequency of 1.50 Hz. It makes the hanging part of your coat swing back and forth with remarkably large amplitude, draw- ing everyone's attention. Find the value of L.
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