Joke Collection Website - Public benefit messages - The sound emitted by sonar travels from the surface of the sea to the bottom of the sea, and then returns to the sea for 3 seconds. What is the depth of the sea?
The sound emitted by sonar travels from the surface of the sea to the bottom of the sea, and then returns to the sea for 3 seconds. What is the depth of the sea?
Solution: Time for sound to travel from the sea surface to the seabed:
t=
12
×3s= 1.5s，
The depth of the sea floor here:
s = vt = 1.5s× 1500m/s = 2250m，
A: The depth of the seabed here is 2250 meters.
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