Question

A loudspeaker on a boat produces a pulse of sound is received sea. The echo of the pulse is to
back at the boat after 3.0s. The depth of the sea under the boat is 2250 m.

From this information, what is the speed of sound in the sea water?

A330 m/s
B 750 m/s
C1500 m/s
D 6750 m/s
a
​

Answer 1

Answer:

1500m/s

Explanation:

depth of sea = 2250m

echo = 3s

time taken to reach the bottom of sea = echo/2 = 3/2 = 1.5s

speed = depth of sea / time = 2250/1.5 = 1500m/s

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