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18. An open pipe with length 3m and outer radius 10 cm has an outer layer of ice tgat is melting at the rate of 2π cm cube/ min. How fast is the thickness of ice decreasing when the ice is 2 cm thick. |
| Answer» 18. An open pipe with length 3m and outer radius 10 cm has an outer layer of ice tgat is melting at the rate of 2π cm cube/ min. How fast is the thickness of ice decreasing when the ice is 2 cm thick. | |