Question: I need it asap please. Pls box final answer only numerical values are accepted The rate of heat flow across an area in proportional to

I need it asap please. Pls box final answer only numerical values are accepted

The rate of heat flow across an area in proportional to the change in temperature with respect to the distance normal to the area. Find the rate of heat loss in cal per sec from a meter length of pipe, 10 cm diameter containing steam at 100 C which is insulated with a 3 cm coating of magnesia for which the thermal conductivity is 1.75x10-4 cal/cm-C-s. the outer surface of the insulation is kept at 40 C. The thickness of the pipe is not taken into account. Assume that the inner surface of the insulation is at 100C

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