Neglect the friction of the 40-lb collar against its vertical guide and compute the velocity of the collar after it has fallen 7 ft, starting from rest in the position shown. The unstreched length of the spring is 3 ft. W = 40 lb Free lenght = 3' K = 5 lb/in S1 = 1.25' 4.25' v, = 0 A | 3' 3' B 4' v2 C S2 = 2'

Elements Of Electromagnetics
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3. Neglect the friction of the 40-lb collar against its
vertical guide and compute the velocity of the collar
after it has fallen 7 ft, starting from rest in the
position shown. The unstreched length of the spring
is 3 ft.
W = 40 lb
Free lenght = 3'
K = 5 lb/in
S1 = 1.25'
4.25'
v, = 0
A
3'
3'
B
4'
S2
2'
v2
inll
Transcribed Image Text:3. Neglect the friction of the 40-lb collar against its vertical guide and compute the velocity of the collar after it has fallen 7 ft, starting from rest in the position shown. The unstreched length of the spring is 3 ft. W = 40 lb Free lenght = 3' K = 5 lb/in S1 = 1.25' 4.25' v, = 0 A 3' 3' B 4' S2 2' v2 inll
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