1. A 20-lb collar slides without frictions along a vertical rod as shown. The elastic rope attached to the collar has an undeformed length of 4 inches and spring constant of 3 lb/in. If the collar is released from rest in position A, determine its velocity at position B. Apply conservation of energy. 8 in

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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1. A 20-lb collar slides without frictions along a vertical rod as shown. The
elastic rope attached to the collar has an undeformed length of 4 inches and
spring constant of 3 lb/in. If the collar is released from rest in position A,
determine its velocity at position B. Apply conservation of energy.
8 in
6 in
B
2. The 200 gram toy car will be compressed against the spring and released to
send it around the loop which has diameter of 60 cm. Determine minimum
reauired spring compression to maintain contact with the tack for the entire
Transcribed Image Text:1. A 20-lb collar slides without frictions along a vertical rod as shown. The elastic rope attached to the collar has an undeformed length of 4 inches and spring constant of 3 lb/in. If the collar is released from rest in position A, determine its velocity at position B. Apply conservation of energy. 8 in 6 in B 2. The 200 gram toy car will be compressed against the spring and released to send it around the loop which has diameter of 60 cm. Determine minimum reauired spring compression to maintain contact with the tack for the entire
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