Book edition 1st Edition

Author(s) Paul Peter Urone

Pages 1272 pages

ISBN 9781938168000

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Short Answer

If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the window. Why does this happen?

The empty plastic bag flies out of the moving car due to pressure difference created when window of car is lowered.

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1: Concept of Bernoulli’s principle.

According to the Bernoulli’s principle, the total energy per unit volume of a fluid is constant. The points of the higher fluid speed will be having less pressure than the points of the slower fluids.

Step 2: Explanation for empty plastic bag flying out of window.

When the window of the moving car is lowered, a pressure difference is created on both the sides of the car. The fluid outside of the car has higher speed with less pressure and the fluid inside the car has low speed with high pressure. So, the empty plastic bag flies away from high pressure inside the car to low pressure outside the car.

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College Physics (Urone)

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Short Answer

If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the window. Why does this happen?

Step by Step Solution

Step 1: Concept of Bernoulli’s principle.

Step 2: Explanation for empty plastic bag flying out of window.

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College Physics (Urone)

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Short Answer

If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the window. Why does this happen?

Step by Step Solution

Step 1: Concept of Bernoulli’s principle.

Step 2: Explanation for empty plastic bag flying out of window.

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