2009
Physics
67e856d33cf20db308447ec1
To find the dept of the sea, a ship send out a second waves and an echo after one second. If the velocity of sound in water is 1500m/s, what is the depth of the sea
A.
0.75km
B.
1.50km
C.
2.20km
D.
3.00km
Correct Answer: 0.75km
Explanation
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