February 20, 2017

Homework Help: force of gravity

Posted by ami on Wednesday, December 9, 2009 at 6:30pm.

A satellite orbits around the earth. The mass of the satellite is 1170 kg, and its altitude is 220 km. The mass of the earth is 5.98×1024 kg. The radius of the earth is 6.38×106 m.

1)What is the gravitational force on the satellite?
2)What is the orbital velocity of the satellite?
3)What is the period of the satellites motion?
4)What is the gravitational potential energy of the satellite?
5)What is the total mechanical energy of the satellite in orbit?

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