- #1
Douna2nd
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Homework Statement
a submarines sends sound waves and receives it after 4 seconds then goes under water 700 m and sends waves and receives it after 3 seconds he wants the depth of water
Homework Equations
V=d/t
The Attempt at a Solution
V=d/t V=x/2
then V=X-700/1.5 so x/2 = x-700/1.5 and X = 2800 is this right ?