Solve the following problem:
Q: A hollow spherical iron container whose outer diameter is 20 cm and thickness is 0.4 cm is filled with iced water at 0°C. If the outer surface temperature is 5°C, determine the approximate rate of heat loss from the sphere, and the rate at which ice melts in the container.
![891_Sphere.jpg](https://secure.tutorsglobe.com/CMSImages/891_Sphere.jpg)