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Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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<Homework#5
Problem 16.5
Homework#5
MasteringEngineering Mastering X +
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The disk is driven by a motor such that the angular position of the
disk is defined by =
(Figure 1)
(20t4t2) rad, where t is in seconds.
Submit
Request Answer
Part B
☆
Determine the angular velocity of the disk when t = 65 s.
Express your answer in radians per second to three significant figures. Assume the positive direction is counterclockwise.
W =
ΜΕ ΑΣΦ
vec
Submit
Request Answer
Part C
Figure
1 of 1
0.5 ft
?
rad/s
Determine the angular acceleration of the disk when t = 65 s.
Express your answer in radians per second squared to three significant figures. Assume the positive direction is counterclockwise.
απ
ΕΠΙ ΑΣΦ
↓↑ vec
Submit
Request Answer
Provide Feedback
?
rad/s²
[
{
? Help
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Transcribed Image Text:(◉
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Homework#5
MasteringEngineering Mastering X +
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<Homework#5
Problem 16.5
The disk is driven by a motor such that the angular position of the
disk is defined by = (20t4t2) rad, where t is in seconds.
(Figure 1)
Figure
1 of 1
Part A
Determine the number of revolutions of the disk when t = 65 s.
Express your answer in revolutions to three significant figures.
0 =
ΕΠΙ ΑΣΦ
↓↑ vec
Submit
Request Answer
Part B
rev
☆
Determine the angular velocity of the disk when t = 65 s.
Express your answer in radians per second to three significant figures. Assume the positive direction is counterclockwise.
0.5 ft
W =
VAΣ
ΜΕ ΑΣΦ
vec
Submit
Request Answer
Part C
Determine the angular acceleration of the disk when t = 65 s.
?
rad/s
[
{
? Help
2 of 6
Review
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