A block of mass m is connected two springs of spring constant 2 k and k , respectively, as shown in the vertical plane. At equilibrium, both springs are compressed by same length. If suddenly lower sp

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A block of mass m is connected two springs of spring constant 2 k and k , respectively, as shown in the vertical plane. At equilibrium, both springs are compressed by same length. If suddenly lower spring is cut, then acceleration of block, just after spring cut, is

TestHub · Accepted Answer

2 k x = m g + k x ⇒ k x = m g When the lower spring is cut the net downward force on the block is F n e t = k x + m g = 2 m g ⇒ a = 2 g (downward)

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