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(5.) A communication satellite in orbit around Earth charges its battery with en

ID: 1795446 • Letter: #

Question

(5.) A communication satellite in orbit around Earth charges its battery with energy by collecting sunlight on its solar panels. The solar panels have a total colle to 32 m. Wh solar panels to completely charge the satellite's battery. The distance between the Sun cting area equal ile in Earth's orbit, it takes 3.0 hours of direct sunlight exposure for the and Earth is 1.5x10"m. This same communication satellite is then placed in orbit around the planet Jupiter. The distance between the Sun and Jupiter is 7.7x10 m. energy How much time does it take the satellite to completely charge its battery with using sunlight while in orbit around Jupiter?

Explanation / Answer

Energy collected = I A t

= (P_sun / 4 pi r^2) A t


in both case, battery is fully charged so Energy collected will same.

P and A also same for both cases.

t / r^2 = constant

(3 h) / (1.5 x 10^11)^2 = t / (7.7 x 10^11)^2

t = 79.05 hrs