Question: Water is falling on a surface, wetting a circular area that is expanding at a rate of 8 mm /sec. How fast is the radius


Water is falling on a surface, wetting a circular area that is expanding at a rate of 8 mm /sec. How fast is the radius of the wet area expanding when the radius is 195 mm? Round to four decimal places A. 0.0410 mm/sec O B. 0.0065 mm/sec O c. 0.0131 mm/sec OD. 153 1525 mm/sec
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