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the earth has an average distance of 225 million km (2.25x10^8 km) from Mars. what is the gravitational attraction between Mars and a 60 kg person standing on the earth? mars has a mass of 6.39x10^23 kg.

Correct me if I'm wrong
Fg=GmM/r^2
F= 6.67x10^-11(6.39x10^23)(60)/(225000000000)^2
F= 5. 05x10^-8 N

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