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Question
A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of
Options
A.2/3 k
B.3/2 k
C.3 k
D.6 k
Solution
l1 = 2l2
∴ l1 =
l
Force constant k =
∴ k1 =
k
∴ l1 =
lForce constant k =
∴ k1 =
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