# Problem: The intensity of sunlight reaching the earth is 1360 W/m^2Part AWhat is the power output of the sun?P = WPart BWhat is the intensity of sunlight on Mars?I = W/m2

###### FREE Expert Solution

Power:

$\overline{){\mathbf{P}}{\mathbf{=}}{\mathbf{I}}{\mathbf{A}}}$

Surface area, A of the sun:

$\overline{){\mathbf{A}}{\mathbf{=}}{\mathbf{4}}{\mathbf{\pi }}{{\mathbf{R}}}^{{\mathbf{2}}}}$

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###### Problem Details
The intensity of sunlight reaching the earth is 1360 W/m^2

Part A
What is the power output of the sun?
P = W

Part B
What is the intensity of sunlight on Mars?
I = W/m2