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August 28, 2015

Homework Help: Physics

Posted by Raquel on Tuesday, November 15, 2011 at 9:29pm.

The average intensity of sunlight at earth's surface is approximately 1400 W/m^2 , if the Sun is directly overhead. The average distance between the earth and the sun is 1.50E11 m. What is the average power emitted by the Sun?

Ok so intensity is power over area.
so power is intensity area, how do I get the area?
Am I approaching this problem correctly?

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