Homework Help: Physics

Posted by Tanveer on Saturday, October 11, 2008 at 6:27pm.

The moon has a period of 27.3 days and a mean distance of 3.90 x 10^5 km from the center of Earth.

a) Use Kepler's laws to find the period of a satellite in orbit 6.70 x 10^3 km from the center of Earth
--- I was able to do this and the answer i got was: 88.6 mins, but was stuck on the 2nd part of this question, which is below:

b)How far above Earth's surface is this satellite?

Physics - bobpursley, Saturday, October 11, 2008 at 6:30pm
You have the mean distance from the center of Earth. Normally, one might subtract the thickness of the Earth from the center to get the distance from the Surface .

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