(a) Explanation Let f be the frequency of the insect hears, and f ′ be the frequency of the bat finally receives. The change in frequency of a sound wave heard by an observer whenever there is a relative motion between a wave source and the observer is called the Doppler effect. The observed frequency is given by, f ′ = ( c + v r c + v S ) f (I) Here, f ′ is the observed frequency, c is the speed of the waves in the medium, v r is the speed of the receiver relative to the medium, v s is the speed of the sound. The frequency of the insect heard will be, f = ( 40.00 kHz × 1 Hz 10 − 3 kHz ) ( 340 − v 340 − 5 ) (II) The frequency received by the insect will f ′ = f ( 343 m / s + 5.00 m / s 340 m / s + v ) (III) Conclusion: Use equation (II) in (III) , f ′ = ( 40 (b) To determine Whether the bat is able to catch the insect and explain the reason.

Bundle: Principles of Physics: A Calculus-Based Text, 5th + WebAssign Printed Access Card for Serway/Jewett's Principles of Physics: A Calculus-Based Text, 5th Edition, Multi-Term

5th Edition

ISBN: 9781133422013

Author: Raymond A. Serway; John W. Jewett

Publisher: Cengage Learning

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Chapter 13, Problem 67P

(a)

To determine

The speed of the insect.

(b)

To determine

Whether the bat is able to catch the insect and explain the reason.

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Chapter 13, Problem 66P

Chapter 13, Problem 68P

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Chapter 13 Solutions

Bundle: Principles of Physics: A Calculus-Based Text, 5th + WebAssign Printed Access Card for Serway/Jewett's Principles of Physics: A Calculus-Based Text, 5th Edition, Multi-Term

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The speed of the insect.

Solution Summary: The author explains the Doppler effect, wherein the frequency of a sound wave heard by an observer whenever there is motion is called the fprime effect.

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The speed of the insect.

Whether the bat is able to catch the insect and explain the reason.

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Chapter 13 Solutions