Book edition 1st Edition

Author(s) Paul Peter Urone

Pages 1272 pages

ISBN 9781938168000

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Short Answer

A sonar echo returns to a submarine \(1.20\;{\rm{s}}\) after being emitted. What is the distance to the object creating the echo? (Assume that the submarine is in the ocean, not in fresh water.)

The distance to the object creating echo is \(206\;{\rm{m}}\).

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1: Echo

The reflected sound reaches the listener separately from the primary source, an echo.

Step 2: Given Data

The time of travel is \(T = 1.20\;{\rm{s}}\).

Step 3: Calculation of the distance

The distance of the object creating echo is given by,

\(d = 0.5vT\)

Here,\(v = 343\;{\rm{m/s}}\) is the speed of sound in air.

Plugging the values,

\(\begin{align}d &= 0.5 \times 343 \times 1.20\\ &= 206\;{\rm{m}}\end{align}\)

Therefore, the distance to the object creating the echo is \(206\;{\rm{m}}\)

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College Physics (Urone)

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Short Answer

A sonar echo returns to a submarine \(1.20\;{\rm{s}}\) after being emitted. What is the distance to the object creating the echo? (Assume that the submarine is in the ocean, not in fresh water.)

Step by Step Solution

Step 1: Echo

Step 2: Given Data

Step 3: Calculation of the distance

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College Physics (Urone)

Answers without the blur.

Short Answer

A sonar echo returns to a submarine \(1.20\;{\rm{s}}\) after being emitted. What is the distance to the object creating the echo? (Assume that the submarine is in the ocean, not in fresh water.)

Step by Step Solution

Step 1: Echo

Step 2: Given Data

Step 3: Calculation of the distance

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