Question

A spherical iron ball is coated with a layer of ice

Answer 1

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A spherical iron ball is coated with a layer of ice

Answer 2

Answer:

• A spherical iron ball 10cm in radius is coated with a layer of ice of uniform thickness that melts at a rate of 50cm³/min. When the thickness of ice is 5cm, then the rate at which the thickness of ice decrease is.