1. An ultrasonic signal is sent from a ship towards the bottom of the sea. It is received back after 1.5 seconds. What is the depth of the sea? (Given speed of sound in sea water is 1530 m/s).
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Answered by
3
Answer:
1147.5 m is the depth of the sea
Answered by
20
Answer:
1147.5 m
Explanation:
The signal traversed the distance between the ship and the bottom of the sea twice. So it hit the bottom of the sea at 1.5/2=0.75 seconds. Therefore depth of the sea = 1530 m/s × 0.75 s = 1147.5 m.
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