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As you walk to class with a constant speed of 1.75 m/s,

Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker ISBN: 9780321541635 54

Solution for problem 3P Chapter 4

Physics with MasteringPhysics | 4th Edition

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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker

Physics with MasteringPhysics | 4th Edition

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Problem 3P

Problem 3P

As you walk to class with a constant speed of 1.75 m/s, you are moving in a direction that is 18.0° north of east. How much time does it take to change your displacement by (a) 20.0 m east or (b) 30.0 m north?

Step-by-Step Solution:

Solution 3P

Step 1 of 2

The speed of yours is: .

The angle is north of east.

Diagrammatically,

The x component of the velocity is:

The y component is:

a)

A displacement of 20 m east will cost a time of,

.

So, it will take  to displace 20 m towards east.

Step 2 of 2

Chapter 4, Problem 3P is Solved
Textbook: Physics with MasteringPhysics
Edition: 4
Author: James S. Walker
ISBN: 9780321541635

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As you walk to class with a constant speed of 1.75 m/s,