A block tied between two identical springs is in equilibrium. If upper spring is cut, then the a...

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A block tied between two identical springs is in equilibrium. If upper spring is cut, then the acceleration of the block just after cut is \( 5 \mathrm{~ms}^{-2} \). Now, if instead of upper spring lower spring is cut, then the acceleration of the block just after the cut will be (Take, \( g=10 \mathrm{~m} / \mathrm{s}^{2} \) )
(a) \( 1.25 \mathrm{~ms}^{-2} \)
(c) \( 10 \mathrm{~ms}^{-2} \)
(b) \( 5 \mathrm{~ms}^{-2} \)
(d) \( 2.5 \mathrm{~ms}^{-2} \)
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