Two blocks are connected by a long inext...

Two blocks are connected by a long inextensible string passing over an ideal pulley as shown in the figure. If the system is released from rest then the common speed of blocks when block `m_2` moves a distance I will be

`sqrt((mum_1-m_2)gL)/(m_1+m_2)`

`sqrt((m_1-m_2)gL)/(mu(m_1+m_2))`

`sqrt(2(m_2-mum_1)gL)/(m_1+m_2)`

Zero

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