A circular grill of diameter 0.25 m and emissivity 0.9 is maintained at a constant surface temperature of 130C. What electrical power is required when the room air and surroundings are at 24C?

ENGR 121 B Lecture Notes for 9/19/2016 Spencer Kociba Summary of Lecture: beginning to understand the vocabulary and functions in MATLAB and how we will use MATLAB and BlackBoard Learn to turn in assignments, take quizzes, etc. Goal of the course: learn to THINK like a programmer aka step by step problem solving. Problem solving techniques: ● Plan ● Restate the problem ● Divide the problem into steps or subproblems to solve ● Reduce/Simplify the problem (ex. Global scale>local scale) ● Look for similarities to other previously solved problems ○ Emotional attachment/familiarity with an idea or concept improves your memory and ability to recall information when needed ● Ex