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a) Uranus has a mass of 8.68*10^25 kg and a radius of 2.33*10^7m. Find the free-fall...

a) Uranus has a mass of 8.68*10^25 kg and a radius of 2.33*10^7m. Find the free-fall acceleration on the surface of Uranus.

b) Jupiter's moom Io has a mass of m=8.9*10^22 kg. It is orbiting Jupiter at a distance 4.22*10^8 m and has an orbital period of 1.77 earth days. Find the mass of Jupiter.

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Answer #1

a Free fall acceleration of Uranus GM (6.67x10-11)(868x1025) (2.33x10) -10.66 m/s Round off the result to 3 significant digit

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