A block of mass \( m \) is attached to the two springs in vertical plane as shown in the figure\...

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A block of mass \( m \) is attached to the two springs in vertical plane as shown in the figure\( 3.95 \). If initially both the springs are at their natural lengths. Then velocity of the block is maximum at displacement \( x \) given as :
(A) \( x=\frac{m g}{2 k} \)
(B) \( x=\frac{m g}{k} \)
(C) \( x=\frac{m g}{4 k} \)
(D) \( x=\frac{3 m g}{2 k} \)
Figure \( 3.95 \)
\( x \) is the displacement of the block form its initial position.
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