A tank leaks $\displaystyle {0.14}\frac{\text{m}^{{3}}}{{\text{hr}}}$ of oil into a lake. The oil forms a semicircular disk with a thickness of $\displaystyle {10}^{{-{6}}}$ meters. How rapidly is the radius of the disk increasing when the radius is $\displaystyle {155}$ meters?

The radius of the disk is increasing by m/hr (round your answer to 3 decimal places)

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