Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of 53.7 kHz to navigate and find prey. Suppose adolphin sends out a series of clicks that are reflected back from the bottom of the ocean 70.8 m below. How much time elapses before the dolphin hears the echoes of the clicks? (Assumethat the speed of sound in seawater is 1540 m/s.)Tries 0/6Submit AnswerWhat is the wavelength of 53.7 kHz sound in the ocean?Tries 0/6Submit Answer

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Asked Nov 25, 2019
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Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of 53.7 kHz to navigate and find prey. Suppose a
dolphin sends out a series of clicks that are reflected back from the bottom of the ocean 70.8 m below. How much time elapses before the dolphin hears the echoes of the clicks? (Assume
that the speed of sound in seawater is 1540 m/s.)
Tries 0/6
Submit Answer
What is the wavelength of 53.7 kHz sound in the ocean?
Tries 0/6
Submit Answer
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Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of 53.7 kHz to navigate and find prey. Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean 70.8 m below. How much time elapses before the dolphin hears the echoes of the clicks? (Assume that the speed of sound in seawater is 1540 m/s.) Tries 0/6 Submit Answer What is the wavelength of 53.7 kHz sound in the ocean? Tries 0/6 Submit Answer

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Expert Answer

Step 1

 

(a)

The depth of the ocean = 70.8m

The total distance travelled by the “clicks” = 2×70.8m = 141.6m

The speed of sound in ocean = 1540 m/s

Step 2

The time elapse before the dolphin...

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2d 141.6m 1540m/s 0.09s

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