Homework: Forces And Free-Body Diagrams

timer Asked: Sep 10th, 2015

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


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


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

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