Question

A sound signal sent from a ship is received after 2.4s.Then the depth of the ocean is ----(speed of sound in water is 1450m/s)

Answer 1

Answer:

Explanation:

The signal from the shop takes 2.4 seconds to go and return, hence it takes 1.2 sec to reach the bottom.

We just simply apply the equation of

v = d/t ; d = vt , where v = speed of sound= 1500 and t = 1.2 sec

By solving d = 1500 × 1.2 = 1800 m

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Answer 2

The depth of the ocean is equal to 1740 meter

Explanation:

• The sound wave has to travel to ise the depth of the ocean once before getting reflected and other time after getting reflected.
• the sound will take 1.2 second to reach the bottom of the ocean

• The speed of sound in water is 1450 metre per second

The depth = speed x time = 1450x 1.2 = 1740m

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