Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN: 9780078807213
Author: Paul W. Zitzewitz
Publisher: Glencoe/McGraw-Hill
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Chapter 3, Problem 60A

(a)

To determine

To Plot:Velocity-time graph using the given table.

To Find: The time interval during which the object speeds up and slows down.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given:

    Time (s) Velocity (m/s)
    0 4
    1 8
    2 12
    3 14
    4 16
    5 16
    6 14
    7 12
    8 8
    9 4
    10 0
    11 -4
    12 -8

Plot:

  Glencoe Physics: Principles and Problems, Student Edition, Chapter 3, Problem 60A , additional homework tip  1

The object speeds up in from 0 to 4 s, then maintains constant speed between 4 s and 5 s. Thereafter, the object slows from 5 s to 10 s. The speed increases again.

(b)

To determine

To Find: The time at which the object reverses the direction.

(b)

Expert Solution
Check Mark

Explanation of Solution

Introduction:

  Glencoe Physics: Principles and Problems, Student Edition, Chapter 3, Problem 60A , additional homework tip  2

The object speeds up in from 0 to 4 s, then maintains constant speed between 4 s and 5 s. Thereafter, the object slows from 5 s to 10 s. The speed increases again.

At 10 s, it can be implied from the plot that the object changes the direction because the speed increase but in negative direction.

(c)

To determine

To Compare: The average acceleration between 0.0 to 2.0 s and 7.0 s and 12.0 s.

(c)

Expert Solution
Check Mark

Explanation of Solution

Given:

    Time (s) Velocity (m/s)
    0 4
    1 8
    2 12
    3 14
    4 16
    5 16
    6 14
    7 12
    8 8
    9 4
    10 0
    11 -4
    12 -8

Formula Used:

Average acceleration can be obtained by:

  aavg=vfvit

Here, vf is the final velocity, vi is the initial velocity and t is the time.

Calculations:

The average acceleration between 0.0 to 2.0 s:

  aavg=vfvitaavg=1242=4m/s2

The average acceleration between 7.0 s and 12.0 s:

  aavg=8(12)5aavg=1242=0.8m/s2

Conclusion:

The average acceleration between 0.0 to 2.0 s is greater than that between 7.0 s and 12.0 s.

Chapter 3 Solutions

Glencoe Physics: Principles and Problems, Student Edition

Ch. 3.1 - Prob. 11SSCCh. 3.1 - Prob. 12SSCCh. 3.1 - Prob. 13SSCCh. 3.1 - Prob. 14SSCCh. 3.1 - Prob. 15SSCCh. 3.2 - Prob. 16PPCh. 3.2 - Prob. 17PPCh. 3.2 - Prob. 18PPCh. 3.2 - Prob. 19PPCh. 3.2 - Prob. 20PPCh. 3.2 - Prob. 21PPCh. 3.2 - Prob. 22PPCh. 3.2 - Prob. 23PPCh. 3.2 - Prob. 24PPCh. 3.2 - Prob. 25PPCh. 3.2 - Prob. 26PPCh. 3.2 - Prob. 27PPCh. 3.2 - Prob. 28PPCh. 3.2 - Prob. 29PPCh. 3.2 - Prob. 30PPCh. 3.2 - Prob. 31PPCh. 3.2 - Prob. 32PPCh. 3.2 - Prob. 33SSCCh. 3.2 - Prob. 34SSCCh. 3.2 - Prob. 35SSCCh. 3.2 - Prob. 36SSCCh. 3.2 - Prob. 37SSCCh. 3.2 - Prob. 38SSCCh. 3.2 - Prob. 39SSCCh. 3.2 - Prob. 40SSCCh. 3.3 - Prob. 41PPCh. 3.3 - Prob. 42PPCh. 3.3 - Prob. 43PPCh. 3.3 - Prob. 44PPCh. 3.3 - Prob. 45PPCh. 3.3 - Prob. 46PPCh. 3.3 - Prob. 47SSCCh. 3.3 - Prob. 48SSCCh. 3.3 - Prob. 49SSCCh. 3.3 - Prob. 50SSCCh. 3.3 - Prob. 51SSCCh. 3.3 - Prob. 52SSCCh. 3 - Prob. 53ACh. 3 - Prob. 54ACh. 3 - Prob. 55ACh. 3 - Prob. 56ACh. 3 - Prob. 57ACh. 3 - Prob. 58ACh. 3 - Prob. 59ACh. 3 - Prob. 60ACh. 3 - Prob. 61ACh. 3 - Prob. 62ACh. 3 - Prob. 63ACh. 3 - Prob. 64ACh. 3 - Prob. 65ACh. 3 - Prob. 66ACh. 3 - Prob. 67ACh. 3 - Prob. 68ACh. 3 - Prob. 69ACh. 3 - Prob. 70ACh. 3 - Prob. 71ACh. 3 - Prob. 72ACh. 3 - Prob. 73ACh. 3 - Prob. 74ACh. 3 - Prob. 75ACh. 3 - Prob. 76ACh. 3 - Prob. 77ACh. 3 - Prob. 78ACh. 3 - Prob. 79ACh. 3 - Prob. 80ACh. 3 - Prob. 81ACh. 3 - Prob. 82ACh. 3 - Prob. 83ACh. 3 - Prob. 84ACh. 3 - Prob. 85ACh. 3 - Prob. 86ACh. 3 - Prob. 87ACh. 3 - Prob. 88ACh. 3 - Prob. 89ACh. 3 - Prob. 90ACh. 3 - Prob. 91ACh. 3 - Prob. 92ACh. 3 - Prob. 93ACh. 3 - Prob. 94ACh. 3 - Prob. 95ACh. 3 - Prob. 96ACh. 3 - Prob. 97ACh. 3 - Prob. 98ACh. 3 - Prob. 100ACh. 3 - Prob. 101ACh. 3 - Prob. 102ACh. 3 - Prob. 103ACh. 3 - Prob. 104ACh. 3 - Prob. 105ACh. 3 - Prob. 1STPCh. 3 - Prob. 2STPCh. 3 - Prob. 3STPCh. 3 - Prob. 4STPCh. 3 - Prob. 5STPCh. 3 - Prob. 6STPCh. 3 - Prob. 7STPCh. 3 - Prob. 8STPCh. 3 - Prob. 9STPCh. 3 - Prob. 10STP

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Position/Velocity/Acceleration Part 1: Definitions; Author: Professor Dave explains;https://www.youtube.com/watch?v=4dCrkp8qgLU;License: Standard YouTube License, CC-BY