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Question

# How long will it take for an undersea sonar pulse to travel 3 km?

Solution

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We are given following data:

$v=1500\text{ m/s}$
$d=3\text{ km}=3000\text{ m}$

To find the time it takes for the undersea sonar pulse to travel 3 km, we can use the formula:

$t=\dfrac{d}{t}$

Substituting our values in, we get:

$t=\dfrac{d}{t}=\dfrac{3000}{1500}=\boxed{2\text{ s}}$

Therefore, it takes 2 seconds for an undersea sonar pulse to travel a distance of 3 km.

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