A 10-m-long pipe has an inside radius of 70 mm, an outside radius of 80 mm, and is made of stainless steel (k 5 15 W/ [m 8C]). Its inside surface is held at 1508C, and its outside surface is at 308C. There is no heat generation, and steady-state conditions hold. Compute the rate at which heat is being transferred across the pipe wall.