If the brake ABC is applied such that the magnitude of force P varies with time as shown, determine the time needed to stop the disk. The coefficient of kinetic friction at B is 40.4 Neglect the thickness of the brake

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Need only a handwritten solution only (not a typed one).

The 8 kg disk has an angular velocity of w = 15 rad/s.
(Figure 1)
Figure
400 mm
t=
01
500 mm
200 mm-
Value
HAO?
B
Submit Request Answer
Units
500 mm
C
P (N)
5
- Part A
If the brake ABC is applied such that the magnitude of force P varies with time as shown, determine the time needed to stop the disk. The
coefficient of kinetic friction at B is = 0.4 Neglect the thickness of the brake
Express your answer to three significant figures and include the appropriate units.
2
< 1 of 1 >
-t(s)
4
Transcribed Image Text:The 8 kg disk has an angular velocity of w = 15 rad/s. (Figure 1) Figure 400 mm t= 01 500 mm 200 mm- Value HAO? B Submit Request Answer Units 500 mm C P (N) 5 - Part A If the brake ABC is applied such that the magnitude of force P varies with time as shown, determine the time needed to stop the disk. The coefficient of kinetic friction at B is = 0.4 Neglect the thickness of the brake Express your answer to three significant figures and include the appropriate units. 2 < 1 of 1 > -t(s) 4
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