QUESTION

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The coefficent of fnction between the block of mass $m_{1}=3.00 \mathrm{~kg}$ and the surface in the figure below is $\mu_{k}=0.210$. The system starts from rest. What is the speed of the bgll of mass $m_{2}=5.00 \mathrm{~kg}$ when it has fallen a distance $\mathrm{h}=1.85 \mathrm{~m}$ ? $\mathrm{m} / \mathrm{s}$

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