21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 5, Problem 24QP
To determine
The motion of the object relative to the position of the person who is standing.
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Chapter 5 Solutions
21st Century Astronomy
Ch. 5.1 - Prob. 5.1ACYUCh. 5.1 - Prob. 5.1BCYUCh. 5.2 - Prob. 5.2CYUCh. 5.3 - Prob. 5.3CYUCh. 5.4 - Prob. 5.4CYUCh. 5.5 - Prob. 5.5CYUCh. 5 - Prob. 1QPCh. 5 - Prob. 2QPCh. 5 - Prob. 3QPCh. 5 - Prob. 4QP
Ch. 5 - Prob. 5QPCh. 5 - Prob. 6QPCh. 5 - Prob. 7QPCh. 5 - Prob. 8QPCh. 5 - Prob. 9QPCh. 5 - Prob. 10QPCh. 5 - Prob. 11QPCh. 5 - Prob. 12QPCh. 5 - Prob. 13QPCh. 5 - Prob. 14QPCh. 5 - Prob. 15QPCh. 5 - Prob. 16QPCh. 5 - Prob. 17QPCh. 5 - Prob. 18QPCh. 5 - Prob. 19QPCh. 5 - Prob. 20QPCh. 5 - Prob. 21QPCh. 5 - Prob. 22QPCh. 5 - Prob. 23QPCh. 5 - Prob. 24QPCh. 5 - Prob. 25QPCh. 5 - Prob. 26QPCh. 5 - Prob. 27QPCh. 5 - Prob. 28QPCh. 5 - Prob. 29QPCh. 5 - Prob. 30QPCh. 5 - Prob. 31QPCh. 5 - Prob. 32QPCh. 5 - Prob. 33QPCh. 5 - Prob. 34QPCh. 5 - Prob. 35QPCh. 5 - Prob. 36QPCh. 5 - Prob. 37QPCh. 5 - Prob. 38QPCh. 5 - Prob. 39QPCh. 5 - Prob. 40QPCh. 5 - Prob. 41QPCh. 5 - Prob. 42QPCh. 5 - Prob. 43QPCh. 5 - Prob. 44QPCh. 5 - Prob. 45QP
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- If a 7.48 kHz sound source moves at a speed of 11.9 ms-1 toward a listener who moves at a speed of 29.5 ms-1 in a direction away from the source, what is the apparent frequency heard by the listener, in kHz? (Assume the speed of sound is 348 ms-1)arrow_forwardHow many times greater is the intensity of sound from a concert speaker at a distance of 1 meter than the intensity at a distance of 8 meters?arrow_forwardA mandolin is a stringed instrument that uses pairs of strings, tuned to the same frequency. A poorly-tuned mandolin has its lowest pair of strings tuned to 195 Hz and 198 Hz. What beat frequency is heard?arrow_forward
- A human cannot hear sound at a frequency of 100 kHz or sound at 102 kHz. But if you walk into a room in which two sources are emitting sound waves, one at 100 kHz and the other at 102 kHz, you’ll hear sound. Explain.arrow_forwardCalculate the speed of sound in a gas in which two wavelengths 204cm and 208cm produce 20 beats in 6 second.arrow_forwardA 440 Hz pure note is sounded with an unknown frequency with a higher pitch. If you hear 2 beats per second, what is the unknown frequency? What musical pitch does this (440 Hz) correspond to in scientific pitch notation?arrow_forward
- What is the difference between a low and high-frequency sound? Which type of sound travels the farthest?arrow_forwardWhen listening to tuning forks of frequency 256 Hz and 260 Hz, one hears the following number of beats per second:arrow_forwardSuppose you call your dog with an average intensity level of 80 decibels (db). How much more sound energy would you have to put into each call to: ΔL=10⋅log10(I1/I2) Increase the call to 90 db? 10⋅log10(/) = 10 2. Increase the call to 100 db? (Help me answer the bottom question)arrow_forward
- A latecomer to a concert hurries down the aisle toward his seat so fast that the middle C note of frequency 286 Hz “seems” to be 1 Hz higher. The latecomer is moving at a speed of?arrow_forwardTwo trumpeters are slightly out of tune, and 2 beats per second are heard. One of them plays a B♭at 233 Hz. What might the other trumpet player’s frequency be?arrow_forwardYou are jogging on the sidewalk at a rate of 3 m/s s while a police car far behind you is patrolling at a speed of 4 m/sms when it turns on its siren. If the siren has a frequency of 1000 Hz, is the frequency you perceive higher or lower than the frequency emitted?arrow_forward
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What Are Sound Wave Properties? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=GW6_U553sK8;License: Standard YouTube License, CC-BY