6) THE POWER OF THE SUN AN TOTAL AT ALL EM WAVELENGTHS 15 3.9 X 1026 W THE DISTANCE BETWEEN SUN E BARTH IS Y= 150, 060,000 KM. (A) IF THE SUN IS DIRECTLY OVERHEAD , HOW MUCH POWER STRIKES A ROOF-TOP SOLAR CELL ARRAY CONSISTING OF 24 SOLAR PANELS , EACH MEASURING 1.5m x 2.5m (B) IF EACH CELL IS 75 % EFFICIENT AT CONVERTING THE SUN'S ENERGY TO ELECTRICITY , HOW MUCH POWER IS AVAILABLE ? (C) HOW DO THESE TWO ANSWERS CHANCE AT DEARBORN'S LATITUDE OF 42