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Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean 55 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.) time is 0.072sWhat is the wavelength of 55 kHz sound in the ocean?

Question

Suppose a dolphin sends out a series of clicks that are reflected back from the bottom of the ocean 55 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.) time is 0.072s

What is the wavelength of 55 kHz sound in the ocean?

check_circleAnswer
Step 1

Given:

Distance covered by the sound to reach the bottom of the sea (d) = 55 m

Speed of sound in seawater (v) = 1530 m/s

Frequency of sound (f) = 55 kHz

1KHZ 1000HZ
55KHZ
55x 1000 Hz
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1KHZ 1000HZ 55KHZ 55x 1000 Hz

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Step 2

Time elapses before the dolphin hears the echoes of the clicks

2d
2x55
1530
=0.072s
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2d 2x55 1530 =0.072s

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Step 3

Wavelength of t...

f
1530
55x1000
2 m
=2.78 x 10
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f 1530 55x1000 2 m =2.78 x 10

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