To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1800 Hz. A friend on the ground at the landing site directly below listens to the amplified sound he receives. Assume the air is calm and the speed of sound is independent of altitude. While the skydiver is falling at terminal speed, her friend on the ground receives waves of frequency 2150 Hz. (a) What is the skydiver's speed of descent? (b) Suppose the skydiver can hear the sound of the buzzer reflected from the ground. What frequency does she receive?
To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1800 Hz. A friend on the ground at the landing site directly below listens to the amplified sound he receives. Assume the air is calm and the speed of sound is independent of altitude. While the skydiver is falling at terminal speed, her friend on the ground receives waves of frequency 2150 Hz. (a) What is the skydiver's speed of descent? (b) Suppose the skydiver can hear the sound of the buzzer reflected from the ground. What frequency does she receive?
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 17.61AP: To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1 800 Hz. A friend on...
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