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A marine ship sends a sound wave straight down to the sea bed. It receives an echo 1.5s later.the speed of sea water is 1500ms-1 . How deep is sea at this position? Plz anyone tell me answer?
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**Finding the Depth of the Sea**

To find the depth of the sea at a specific position, we can use the equation:

Depth = (Speed of Sound) x (Time taken for echo to return) / 2

In this case, the speed of sound in sea water is given as 1500 m/s, and the time taken for the echo to return is 1.5 seconds.

Let's calculate the depth step by step:

**Step 1: Convert the time to seconds**
The time given is already in seconds, so no conversion is required.

**Step 2: Substitute the values into the equation**
Depth = (1500 m/s) x (1.5 s) / 2

**Step 3: Calculate the depth**
Depth = 2250 m / 2
Depth = 1125 meters

Therefore, the depth of the sea at this position is 1125 meters.

This calculation is based on the assumption that the sound wave travels straight down to the sea bed and returns directly without any reflections or refractions. In reality, sound waves in water can be affected by various factors such as temperature, salinity, and pressure gradients, which can cause the sound waves to bend or reflect off different layers in the water. These factors can complicate the calculation and may require more advanced techniques to accurately determine the depth of the sea.
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A marine ship sends a sound wave straight down to the sea bed. It receives an echo 1.5s later.the speed of sea water is 1500ms-1 . How deep is sea at this position? Plz anyone tell me answer?
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