27. • At Zion National Park a loud shout produces an echo 1.55 s later from a colorfulsandstone cliff. How far away is the cliff?31. Predict/Calculate A sound wave in air has a frequency of 405 Hz. (a) What is itswavelength? (b) If the frequency of the sound is increased, does its wavelengthincrease, decrease, or stay the same? Explain. (c) Calculate the wavelength for asound wave with a frequency of 485 Hz.

As per the answering guidelines we will solve only the first question. Please upload the second…

Answered: • At Zion National Park a loud shout…

• At Zion National Park a loud shout produces an echo 1.55 s later from a colorful sandstone cliff. How far away is the cliff?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Sound Waves

Section: Chapter Questions

Problem 17.55AP: An ultrasonic tape measure uses frequencies above 20 MHz to determine dimensions of structures such...

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Concept explainers

Shock Waves

Shock waves are common in continuum mechanics, and their dominance is attributable to the fact that they are stronger (or even less) compressible. Substantial perturbations propagated as sudden dynamic changes of a compressible medium supersonically. Shock waves are all around us in our daily lives. Lightning, earthquakes, volcanic eruptions, and meteorite impact all produce them in nature. Even the earth, which is protected by its magnetic field, generates a shock wave as in solar wind that travels around 20 Earth radiuses. These shock waves might be either constant, linked to the body, or unsteady, i.e., moving around with time. All of the shocks mentioned above can be damaging, so precautions must be taken to reduce their impact.

Question

27. • At Zion National Park a loud shout produces an echo 1.55 s later from a colorful
sandstone cliff. How far away is the cliff?
31. Predict/Calculate A sound wave in air has a frequency of 405 Hz. (a) What is its
wavelength? (b) If the frequency of the sound is increased, does its wavelength
increase, decrease, or stay the same? Explain. (c) Calculate the wavelength for a
sound wave with a frequency of 485 Hz.

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