At the Earth's surface, approximately 1000 W/m2 is present due to solar radiation. At a latitude of 44.5 degrees North, the angle of the sun’s rays, when the sun is highest in the sky on the winter solstice, are incident at an angle of 68 degrees from the vertical. What power is incident upon a 1.0 m x 1.5 m window in a vertical, south-facing wall at this time?
A. 1390 W
B. 930 W
C. 560 W
D. 370 W
A. 1390 W
You might also like to view...
A certain spherical asteroid has a mass of 3.5 × 1016 kg and a radius of 8.8 km. What is the minimum speed needed to escape from the surface of this asteroid? (G = 6.67 × 10-11 N ? m2/kg2)
A) 23 m/s B) 16 m/s C) 520 m/s D) 730 m/s
A 3.5-?F capacitor is attached to a 20-V power supply. How much energy is stored in the capacitor?
a. 7.0E–4 J b. 7.0E–3 J c. 2.5E–4 J d. 2.4E–3 J e. 2.0E–3 J
There is some possibility that humanity could ruin large parts of the environment through concentration on individual gain at societal cost. This is known as
a. the tragedy of the commons. b. freedom. c. the free lunch. d. the outcome of economic progress. e. sustainable development.
Why should the U.S. electricity transmission system be so much better connected to Canada than to Mexico?
What will be an ideal response?