A block mass m = 2 kg is moving with vel...

A block mass `m = 2 kg` is moving with velocity`v_(0)` towards a mass less unstretched spring of the force constant `k = 10 N//m`. Coefficient of friction between the block and the ground is `mu = 0.2`. Find the maximum value of `v_(0)` so that after pressing the spring the block does not return back but stops there permanently.

`sqrt(12) m//s`

`sqrt(4.2) m//s`

`sqrt(10) m//s`

`sqrt(6.4) m//s`

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