Question

A strong ultrasonic sound signal is sent from a ship towards the bottom of the sea. It is
received by the receiver after 2 s. Calculate the depth of sea ? The speed of sound in water
1450 m s'?​

Answer 1

Answer:

1450m in 1 second so if the sound has come back after 2 seconds it means it took one second to reach the sea floor and took another second to come back so the depth of the sea is 1450m.

Answer 2

The depth of sea is 1450 m.

Explanation:

Given that,

The speed of sound in water  1450 m/s, v = 1450 m/s

It is  received by the receiver after 2 s, t = 2 s

A strong ultrasonic sound signal is sent from a ship towards the bottom of the sea. We need to find the depth of sea. We know that the distance traveled by the sound to receive the ultrasonic signal is 2d. So,

$2d=vt\\\\d=\dfrac{vt}{2}\\\\d=\dfrac{1450\times 2}{2}\\\\d=1450\ m$

So, the depth of sea is 1450 m. Hence, this is the required solution.

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