A sphere of radius 0.547 m, temperature 17.5"C, and emissivity 0.685 is located in an environment of temperature 77.8"C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere's net rate of energy exchange? (a) Number Units (b) Number Units (c) Number i Units This answer has no units "(degrees) eTextbook and Media m ke S Hint m/5 m/s^ 2 N Save for Later J Attempts: 0 of 10 used Submit Answer W N/m kg-m/s or N's N/m^ 2 or Pa ke/m*3 m/s*3 times