Question
A satellite orbits the Earth in an elliptical orbit. At perigee its distance from the center of the Earth is 22500 km and its speed is 4280 m/s. At apogee its distance from the center of the Earth is 24100 km and its speed is 3990 m/s.
 
 
 

Part A

Using this information, calculate the mass (in kg) of the Earth.

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