Information Given: Location:Mars The Sun hits the Earth with a good 1400 W/squar

Question

Information Given: Location:Mars
The Sun hits the Earth with a good 1400 W/square meter.
Distance from Earth to te Sun: 92,960,000 miles (149,600,000 km) Distance from Mars to the Sun: 141,600,000 miles (227,900,000 km)
Questions: a) What is the power per square meter that the Sun provides on Mars? Information Given: Location:Mars
The Sun hits the Earth with a good 1400 W/square meter.
Distance from Earth to te Sun: 92,960,000 miles (149,600,000 km) Distance from Mars to the Sun: 141,600,000 miles (227,900,000 km)
Questions: a) What is the power per square meter that the Sun provides on Mars?

Explanation / Answer

Intensity = power /area i.e I is inversly proportional to r^2

I mars/iearth = (Rearth/Rmars)^2

Imars = 1.496^2*10^22* 1400/(2.279^2*10^22)

Imars = 603.25W/m^2

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