Question:

10. A thin, square steel plate measures 14 cm on each side and has emissivity of 0.60. The plate is heated to a temperature of 7

10. A thin, square steel plate measures 14 cm on each side and has emissivity of 0.60. The plate is heated to a temperature of 745°C. What is the rate at which the plate radiates energy? The Stefan-Boltzmann constant is 5.67%
10-8 W/(m2. K4). Remember that the plate will radiate energy from both its top and bottom surfaces.
720 W
3.4 kW
590 W
O
1.4 kW

10. A thin, square steel plate measures 14 cm on each side and has emissivity of 0.60. The plate is heated to a temperature of 745°C. What is the rate at which the plate radiates energy? The Stefan-Boltzmann constant is 5.67% 10-8 W/(m2. K4). Remember that the plate will radiate energy from both its top and bottom surfaces. 720 W 3.4 kW 590 W O 1.4 kW

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