Question

The sun delivers 103 W/m² of electromagnetic flux
* to the earth's surface. The total power that is
incident on a roof 1.6 *10^5of dimensions 8m x 20m, will
beso radiation Force on the roof will be​

Answer 1

Answer:

Dear Student ,

Total Power=P=IA=103×8×20×10−6=0·16 WSolar energy=E=P×t=0·16×3600=576 J

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