# 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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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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