# Magnitude of acceleration given the orbit

**1. The problem statement, all variables and given/known data**

A satellites are placed in a circular orbit that is 3.22 × 10

^{5}m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance?

**2. Relevant equations**

a = MG/R^2

**3. The attempt at a solution**

For the above formula I have trouble because I do not know the mass of the satellite. I end up with

a = M (6.67 x 10^-11)/(6.38 x 10^6 + 3.22 x 10^5)^2

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