The 5-1b collar is released from rest at A and slides down along the smooth rod as shown in (Eigure 1). If the attached spring has a stiffness 4 lb/ft, determine its unstretched length so that it does not allow the collar to leave contact with the top surface of the rod until 0= 60°

The 5-1b collar is released from rest at A and slides down along the smooth rod as shown in (Eigure 1). If the attached spring has a stiffness 4 lb/ft, determine its unstretched length so that it does not allow the collar to leave contact with the top surface of the rod until 0= 60°

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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The 5-1b collar is released from rest at A and slides down along
the smooth rod as shown in (Figure 1).
Figure
2 ft
0.
1 of 1
Part A
If the attached spring has a stiffness 4 lb/ft, determine its unstretched length so that it does not allow the collar to leave contact with the top surface of the rod until
0 = 60°
Express your answer in feet to three significant figures.
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