Precalculus: Mathematics for Calculus - 6th Edition
Precalculus: Mathematics for Calculus - 6th Edition
6th Edition
ISBN: 9780840068071
Author: Stewart, James, Redlin, Lothar, Watson, Saleem
Publisher: Cengage Learning
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Chapter 5.6, Problem 9E

(a)

To determine

To find: The amplitude, period, and frequency of the motion.

(a)

Expert Solution
Check Mark

Answer to Problem 9E

The amplitude, period, and frequency of the motion is 5 , 3π , and 13πHz .

Explanation of Solution

Given Information:

The function model displacement of an object is,

  y=5cos(23t+34)

Concept used:

The standard form of the simple harmonic motion for the maximum amplitude at t=0 is given by,

  y=Acosωt

The angular velocity is given by:

  ω=2πT

The function of the simple harmonic motion in time period term is given by,

  y=Acos(2πtT)

The function of the simple harmonic motion is givenby,

  y=Acos(2πtT+ϕ)

The function model displacement of an object is,

  y=5cos(23t+34)

Compare both the equation to obtain,

  A=52πT=23T=3π

The frequency of the motion is calculated as,

  f=1T=13πHz

Thus, the amplitude, period, and frequency of the motion is 5 , 3π , and 13πHz .

(b)

To determine

To find: The sketch of the motion.

(b)

Expert Solution
Check Mark

Explanation of Solution

Given Information:

The function model displacement of an object is,

  y=5cos(23t+34)

The function model displacement of an object is,

  y=5cos(23t+34)

Consider the following graph of the displacement of the object over one complete cycle,

  Precalculus: Mathematics for Calculus - 6th Edition, Chapter 5.6, Problem 9E

Chapter 5 Solutions

Precalculus: Mathematics for Calculus - 6th Edition

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Prob. 15ECh. 5.6 - Prob. 16ECh. 5.6 - Prob. 17ECh. 5.6 - Prob. 18ECh. 5.6 - Prob. 19ECh. 5.6 - Prob. 20ECh. 5.6 - Prob. 21ECh. 5.6 - Prob. 22ECh. 5.6 - Prob. 23ECh. 5.6 - Prob. 24ECh. 5.6 - Prob. 25ECh. 5.6 - Prob. 26ECh. 5.6 - A Bobbing Cork A cork floating in a lake is...Ch. 5.6 - FM Radio Signals The carrier wave for an FM radio...Ch. 5.6 - Blood Pressure Each time your heart beats, your...Ch. 5.6 - Predator Population Model In a predator/prey...Ch. 5.6 - Prob. 31ECh. 5.6 - Tides The graph shows the variation of the water...Ch. 5.6 - Tides The Bay of Fundy in Nova Scotia has the...Ch. 5.6 - Prob. 34ECh. 5.6 - Prob. 35ECh. 5.6 - Prob. 36ECh. 5.6 - Ferris Wheel A Ferris wheel has a radius of 10 m,...Ch. 5.6 - Cock Pendulum The pendulum in a grandfather clock...Ch. 5.6 - Variable Stars The variable star Zeta Gemini has a...Ch. 5.6 - Variable Stars Astronomers believe that the radius...Ch. 5.6 - Biological Clocks Circadian rhythms are biological...Ch. 5.6 - Electric Generator The armature in an electric...Ch. 5.6 - Electric Generator The graph shows an oscilloscope...Ch. 5.6 - Doppler Effect When a car with its horn blowing...Ch. 5.6 - Motion of a Building A strong gust of wind strikes...Ch. 5.6 - Shock Absorber When a car hits a certain bump on...Ch. 5.6 - Tuning Fork A tuning fork is struck and oscillates...Ch. 5.6 - Guitar String A guitar string is pulled at point P...Ch. 5 - Prob. 1RCCCh. 5 - Prob. 2RCCCh. 5 - Prob. 3RCCCh. 5 - Prob. 4RCCCh. 5 - Prob. 5RCCCh. 5 - Prob. 6RCCCh. 5 - Prob. 7RCCCh. 5 - Prob. 8RCCCh. 5 - Prob. 9RCCCh. 5 - Prob. 10RCCCh. 5 - Prob. 11RCCCh. 5 - Prob. 12RCCCh. 5 - Prob. 1RECh. 5 - Prob. 2RECh. 5 - Prob. 3RECh. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - Prob. 11RECh. 5 - Prob. 12RECh. 5 - Prob. 13RECh. 5 - Prob. 14RECh. 5 - Prob. 15RECh. 5 - Prob. 16RECh. 5 - Prob. 17RECh. 5 - Prob. 18RECh. 5 - Prob. 19RECh. 5 - Prob. 20RECh. 5 - Prob. 21RECh. 5 - Prob. 22RECh. 5 - Prob. 23RECh. 5 - Prob. 24RECh. 5 - 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