Engineering Mechanics - KOP: Work and Energy - Discussion

Discussion Forum : KOP: Work and Energy - General Questions (Q.No. 9)
9.

The book A having a weight of 1.5 lb slides on the smooth horizontal slot. If the block is drawn back so that s = 0. Each of the two springs has a stiffness of k = 150 lb/ft and an unstretched length of 0.5 ft.

vA = 106.2 ft/s
vA = 120.4 ft/s
vA = 160.5 ft/s
vA = 107.7 ft/s
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

JANI Dhruvkumar said:   6 years ago
2((1/2)kx^2) = 1/2mv^2+2((1/2)ky^2).
X= √[2^2+1.5^2]. -0.5.
Y = 2-0.5.

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