Calculate the temperature at which a tungsten filament that has an emissivity of 0.50 and a surface area of 3.9 10-5 m2 will radiate energy at the rate of 35 W in a room where the temperature is 17°C. Incorrect: Your answer is incorrect. 290 Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. K