kekejones496 kekejones496

15-03-2024
Physics

contestada

A spherical metal ball 4cm in radius is coated with a layer of ice of uniform thickness. The ice melts at the rate of 9 cubic cm per min. When the thickness of the ice is 2cm, the outer surface area...
a) 36 cm²/min
b) 45 cm²/min
c) 54 cm²/min
d) 63 cm²/min

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