Echolocation is a form of sensory perception used by animals such as bats, toothed whales, and dolphins. The animal emits a pulse of sound (a longitudinal wave) which, after reflection from objects, returns and is detected by the animal. Echolocation waves can have frequencies of about 100,000 Hz. (a) Estimate the wavelength of a sea anmal's echolocation wave. (b) If an obstacle is 100 m from the animal, how long after the animal emits a wave is its reflection detected?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Example 15-3: Echolocation.
Echolocation is a form of sensory perception
used by animals such as bats, toothed
whales, and dolphins. The animal emits a
pulse of sound (a longitudinal wave) which,
after reflection from objects, returns and is
detected by the animal. Echolocation waves
can have frequencies of about 100,000 Hz.
(a) Estimate the wavelength of a sea anmal's
echolocation wave. (b) If an obstacle is 100
m from the animal, how long after the animal
emits a wave is its reflection detected?
Transcribed Image Text:Example 15-3: Echolocation. Echolocation is a form of sensory perception used by animals such as bats, toothed whales, and dolphins. The animal emits a pulse of sound (a longitudinal wave) which, after reflection from objects, returns and is detected by the animal. Echolocation waves can have frequencies of about 100,000 Hz. (a) Estimate the wavelength of a sea anmal's echolocation wave. (b) If an obstacle is 100 m from the animal, how long after the animal emits a wave is its reflection detected?
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