# Homework: Forces And Free-Body Diagrams

Anonymous

Question description

Scientists want to place a 3800 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2 times the radius of Mars above the surface of the planet. Here is some information that will help solve this problem:

mmars = 6.4191 x 1023 kg
rmars = 3.397 x 106 m
G = 6.67428 x 10-11 N-m2/kg2

1)

What is the force of attraction between Mars and the satellite?

2)

What speed should the satellite have to be in a perfectly circular orbit?

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