A spherical iron ball 8 in in diameter is coated with a layer of ice of uniform thickness If the ice melts at the rate of 10 in 3 min, how fast is the thickness of the ice decreasing when it is 2 in thick How fast is the outer surface area of ice decreasing

Question: A spherical iron ball 8 in. in diameter is coated with a layer of ice of uniform thickness. If the ice melts at the rate

A spherical iron ball 8 in. in diameter is coated with a layer of ice of uniform thickness. If the ice melts at the rate of 10 in³/min, how fast is the thickness of the ice decreasing when it is 2 in. thick? How fast is the outer surface area of ice decreasing?

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