51. As you enter a fine restaurant, you realize that youhave accidentally brought a small electronic timer fromhome instead of your cell phone. In frustration, youdrop the timer into a side pocket of your suit coat, notrealizing that the timer is operating. The arm of yourchair presses the light cloth of your coat against yourbody at one spot. Fabric with a length L hangs freelybelow that spot, with the timer at the bottom. At onepoint during your dinner, the timer goes off and abuzzer and a vibrator turn on and off with a frequencyof 1.50 Hz. It makes the hanging part of your coat swingback and forth with remarkably large amplitude, draw-ing everyone's attention. Find the value of L.

The frequency of the buzzer due to turn on and off,

Answered: 51. As you enter a fine restaurant, you…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter12: Oscillatory Motion

Section: Chapter Questions

Problem 41P

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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 hack and forth with remarkably large amplitude, drawing everyones attention. Find the value of L.
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. chair presses the light cloth of body at one spot. Fabric with a length L hangs freely below that spot, with the timer during your dinner, the timer goes off and a The of your of vour coat against your arm the bottom. At one point 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.
(II) How long should it take the voices of astronauts on theMoon to reach the Earth? Explain in detail.
(III) Consider two objects, A and B, both undergoingSHM, but with different frequencies, as described by the equations andwhere is in seconds. After find the next threetimes at which both objects simultaneously pass throughthe origin.
You shout the word "hello!" into an idealized echo tube. Five seconds later, the "hello!" returns to your ears. Assuming the speed of sound is 340 m/s, how long is the echo tube? The echo is happening perfectly linearly, i.e. no bouncing off the sides of the tube. Just straight down and back again.
Neil Armstrong was the first man to walk on the moon. On July 20, 1969, his famous statement, "That's one small step for man, one giant leap for mankind." was received at 10:56 p.m. ( EDT) on Earth. (a) How long I did it take his voice to reach Earth via radio waves? (b) At what time (in EDT) did he utter this statement at the surface of the moon. The distance between the Earth and the moon is 3.85 x 10⁸ m.
to measure the speed of a current, scientists place a paddle wheel in the stream & observe the rate at which it rotates. If the paddle wheel has a radius 0.40 m and rotates at 100rpm, find the speed of the current in m/s. =_________m/s
A spaceship is approaching a space station at a speed of 1.8 x105 m/s. The space station has a beacon that emits green lightwith a frequency of 6.0 x 1014 Hz. (a) What is the frequencyof the beacon observed on the spaceship? (b) What is thechange in frequency? (Carry five digits in these calculations.)
While hunting for moths to eat, a bat emits a chirp that lasts for 4.80 ms and then is silent while it listens for the echo. If the beginning of the echo returns just after the outgoing chirp is finished, how close to the moth is the bat? The bat is flying toward the moth at a speed of 4.40 m/s and the moth is flying away from the bat at 1.20 m/s. Assume it is a cool night with a temperature of 10.0°C. Speed of sound in air at 0°C is 331 m/s (see table 12.1).
Miles Tugo is camping in Glacier National Park. In the midst of a glacier canyon, he makes a loud holler. He hears an echo 1.22 seconds later. The air temperature is 20 degrees C. How far away are the canyon walls?
The human eye is most sensitive to the spatial frequency of around 1) 1 c/d 2) 3 c/d 3) 5 c/d 4) 7 c/d
Show that Equation 15.32 is a solution of Equation 15.31 provided that b2 4 mk.

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