The average energy per unit time per unit area that reaches the upper atmosphere of the earth from the sun, called the solar constant, is 1 35 kW m 2 Because of absorption and reflection by the atmosphere, about 1 kW m 2 reaches the surface of the earth on a clear day How much energy is collected in 8 h of daylight by a solar panel 1 m by 2 m on a rotating mount that is always perpendicular to the sun 's rays

Question: The average energy per unit time per unit area that reaches the upper atmosphere of the earth from the sun, called the solar constant, is

The average energy per unit time per unit area that reaches the upper atmosphere of the earth from the sun, called the solar constant, is 1.35 kW/m². Because of absorption and reflection by the atmosphere, about 1 kW/m² reaches the surface of the earth on a clear day. How much energy is collected in 8 h of daylight by a solar panel 1 m by 2 m on a rotating mount that is always perpendicular to the sun's rays.

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