A small stationary surface of area A 1 10 4 m 2 emits diffusely with a total intensity of I c 100 W m 2 sr A second surface of equivalent area A 2 10 4 m 2 is located at a fixed distance of r 0 5 m from A 1 The connecting line between the two surfaces remains perpendicular o A 1 , while A 2 rotates at an angular frequency of 2 d 2 dt 2 rad s What is the amount of energy intercepted by the two sides of Ab during one complete revolution 0

Question: A small stationary surface of area A 1 = 10 ?4 m 2 emits diffusely with a total intensity of I c = 100 W/m

A small stationary surface of area A₁ = 10^?4 m² emits diffusely with a total intensity of I_c = 100 W/m² ? sr. A second surface of equivalent area A² = 10^?4 m² is located at a fixed distance of r = 0.5 m from A₁. The connecting line between the two surfaces remains perpendicular o A₁, while A₂ rotates at an angular frequency of ?₂ = d?₂/dt = 2 rad/s. What is the amount of energy intercepted by the two sides of Ab during one complete revolution?

A small stationary surface of area A1 = 10?4 m2 emits diffusely

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