A spherical balloon filled with 4.5 liters of gas per secondCalculate how fast the balloon's if radius increases to r=5.6dm. Give the answer in mm / s.

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by joi004 at June 08, 2011

A spherical balloon filled with 4.5 liters of gas per second.
Calculate how fast the balloon's radius if radii increases to r=5.6dm. Give the answer in mm / s.