<p>Dolphins of the open ocean are classified as Type II Odontocetes (toothed wha

Question

<p>Dolphins of the open ocean are classified as Type II Odontocetes (toothed whales). These animals use ultrasonic "clicks" with a frequency of about <span>56.2</span> kHz to navigate and find prey.</p>
<div class="indent">(a) Suppose a dolphin sends out a series of high-pitched clicks that are reflected back from the bottom of the ocean <span>85</span> m below. How much time elapses before the dolphin hears the echoes of the clicks? (The speed of sound in seawater is approximately 1530 m/s.)</div>

Explanation / Answer

(a) Suppose a dolphin sends out a series of high-pitched clicks that are reflected back from the bottom of the ocean 85 m below. How much time elapses before the dolphin hears the echoes of the clicks? (The speed of sound in seawater is approximately 1530 m/s.) t=d/v t=170/1530 t=(1/9) t=.1111 seconds

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