From 7 A wave pulse travels down a slinky. The mass of the slinky is m = 0.89 kgand is initially stretched to a length L = 7.1 m. The wave pulse has anamplitude of A = 0.2 m and takes t = 0.426 s to travel down the stretchedlength of the slinky. The frequency of the wave pulse is f = 0.48 Hz.1) What is the speed of the wave pulse?16.67m/s Submit2) What is the tension in the slinky?34.834N Submit3) What is the average speed of a piece of the slinky as a complete wavepulse passes?0.384m/s Submit4) What is the wavelength of the wave pulse?34.72m Submit+)5) Now the slinky is stretched to twice its length (but the total mass doesnot change).What is the new tension in the slinky? (assume the slinky acts as aspring that obeys Hooke's Law)69.64N Submit6) What is the new mass density of the slinky?0.0627kg/m Submit7) What is the new time it takes for a wave pulse to travel down theslinky?Submit8) If the new wave pulse has the same frequency, what is the newwavelength?m Submit

Answered: Image /qna-images/answer/e561c04b-110c-4e5a-85a2-92b3c98cb47e.jpg

Answered: 0.0627 kg/m Submit "What is the new…

0.0627 kg/m Submit "What is the new time it takes for a wave pulse to travel down the slinky? Submit If the new wave pulse has the same frequency, what is the new wavelength? m Submit

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter17: Traveling Waves

Section: Chapter Questions

Problem 14PQ

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Concept explainers

Wave Motion

A wave motion is defined as the propagation of disturbances or transfer of energy and momentum from the state of rest or equilibrium to another point in a medium without any actual transfer of matter between them. In a simple explanation, it is the propagation of energy through a medium that is produced due to the repeated vibrations of the particles. Common things we see day to day like waves on water oscillation of a pendulum or bell, light wave, and all the subatomic particles exhibiting wavelike properties. The propagation of waves depends on the medium and their properties. The wave function is the disturbance that produces waves as a function of time. This disturbance oscillates periodically with a fixed frequency and wavelength. There are linear wave motion and non-linear wave motion based on their propagation, motion, and time period where linear wave motion is like sinusoidal waves and non-linear wave motion like a wave motion that gets interrupted in the middle of their propagation.

Question

100%

From 7

A wave pulse travels down a slinky. The mass of the slinky is m = 0.89 kg
and is initially stretched to a length L = 7.1 m. The wave pulse has an
amplitude of A = 0.2 m and takes t = 0.426 s to travel down the stretched
length of the slinky. The frequency of the wave pulse is f = 0.48 Hz.
1) What is the speed of the wave pulse?
16.67
m/s Submit
2) What is the tension in the slinky?
34.834
N Submit
3) What is the average speed of a piece of the slinky as a complete wave
pulse passes?
0.384
m/s Submit
4) What is the wavelength of the wave pulse?
34.72
m Submit
+)
5) Now the slinky is stretched to twice its length (but the total mass does
not change).
What is the new tension in the slinky? (assume the slinky acts as a
spring that obeys Hooke's Law)
69.64
N Submit
6) What is the new mass density of the slinky?
0.0627
kg/m Submit
7) What is the new time it takes for a wave pulse to travel down the
slinky?
Submit
8) If the new wave pulse has the same frequency, what is the new
wavelength?
m Submit

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