How much power does a sphere with a radius of 10 cm radiate into empty space if is has an emissivity of 1.0 and is kept at a temperature of 400 K? $\left( \sigma = 5.67 \times 10 ^ { - 8 } \mathrm {~W} / \mathrm { m } ^ { 2 } \cdot \mathrm { K } ^ { 4 } \right)$

Question

How much power does a sphere with a radius of  10 cm radiate into empty space if is has an emissivity of  1.0  and is kept at a temperature of  400 K? $\left( \sigma = 5.67 \times 10 ^ { - 8 } \mathrm {~W} / \mathrm { m } ^ { 2 } \cdot \mathrm { K } ^ { 4 } \right)$

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The Answer of How much power does a sphere with a radius of  10 cm radiate into empty space if is has an emissivity of  1.0  and is kept at a temperature of  400 K? $\left( \sigma = 5.67 \times 10 ^ { - 8 } \mathrm {~W} / \mathrm { m } ^ { 2 } \cdot \mathrm { K } ^ { 4 } \right)$

How Much Power Does a Sphere with a Radius of (σ=5.67×10−8 W/m2⋅K4)\left( \sigma = 5.67 \times 10 ^ { - 8 } \mathrm {~W} / \mathrm { m } ^ { 2 } \cdot \mathrm { K } ^ { 4 } \right)(σ=5.67×10−8 W/m2⋅K4)

How Much Power Does a Sphere with a Radius of $\left( \sigma = 5.67 \times 10 ^ { - 8 } \mathrm {~W} / \mathrm { m } ^ { 2 } \cdot \mathrm { K } ^ { 4 } \right)$