A sound that was the transmitted from the ship were reflected from the sea bed and heard after 4 s. Find the depth of the sea if the velocity of the sound in the water is 1500 m/s
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time of reaching bottom = time of returning back = total time /2 = 2sec
distance = velocity * time
= 1500*2=3000m
distance = velocity * time
= 1500*2=3000m
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2d=v×t. 2×d =1500×4 =6000 . 2d= 6000
d= 6000÷2 = 3000 and
d= 6000÷2 = 3000 and
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