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A block of mass m = 2 kg is connected to...

A block of mass `m = 2 kg` is connected to a spring of force constant `k = 50 n//m`. Initially the block is at rest and the spring has natural length . A constant force `f = 60 N`, is applied horizontally towards right, the maximum speed of the block (in `m//s` will be (neglect frication).

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