Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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![Homework#8
<Homework#8
Problem 17.71
MasteringEngineering Mastering X
MA244-03_Syllabus_Spring, 20 X b Answered: Homework#8 | bartle X
+
○ B https://session.engineering-mastering.pearson.com/myct/itemView?assignmentProblemID=18992128&offset=next
Part A
The reel of cable has a mass of 360 \kg and a radius of gyration of
kд = 0.75 m. The force P = (20t² + 80) N, where t is in seconds.
Neglect the mass of the unwound cable, and assume it is always at a
radius of 0.5 m. (Figure 1)
Determine the magnitude of the angular velocity of the reel when t = 2 s, starting from rest.
Express your answer in radians per second to three significant figures.
Figure
0.5 m
1 m
P
1 of 1
W =
跖
ΑΣΦ
vec
Submit
Request Answer
Provide Feedback
?
rad/s
☆
ك
→]
ill
{
? Help
2 of 3
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Next >](https://content.bartleby.com/qna-images/question/1f3e1774-6198-4c5f-b04e-3248f147628e/fcdbac37-8f20-46bf-a2db-57f91dabe790/k19t6hi_processed.png)
Transcribed Image Text:Homework#8
<Homework#8
Problem 17.71
MasteringEngineering Mastering X
MA244-03_Syllabus_Spring, 20 X b Answered: Homework#8 | bartle X
+
○ B https://session.engineering-mastering.pearson.com/myct/itemView?assignmentProblemID=18992128&offset=next
Part A
The reel of cable has a mass of 360 \kg and a radius of gyration of
kд = 0.75 m. The force P = (20t² + 80) N, where t is in seconds.
Neglect the mass of the unwound cable, and assume it is always at a
radius of 0.5 m. (Figure 1)
Determine the magnitude of the angular velocity of the reel when t = 2 s, starting from rest.
Express your answer in radians per second to three significant figures.
Figure
0.5 m
1 m
P
1 of 1
W =
跖
ΑΣΦ
vec
Submit
Request Answer
Provide Feedback
?
rad/s
☆
ك
→]
ill
{
? Help
2 of 3
Review
Next >
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