Universal Gravitation Problems Solutions
1. What is the force of gravity between earth (5.972 × 1024 kg) and mars (6.39 × 1023 kg) when they are at their minimum distance of 5.46 x 1010 meters?
2. What is the force of gravity between earth (5.972 × 1024 kg) and mars (6.39 × 1023 kg) when they are at their maximum distance of 4.01 x 1011 m?
3. What is the distance between earth (5.972 × 1024 kg) and mars (6.39 × 1023 kg) when the force of gravity is 5.1 x 1015?
4. What is the mass of a planet that has a force of 1.94 x 1017 N when away 1.0 x 1011 m from 5.972 x 1024 kg earth? Look on the chart and determine what astronomical body in the earths solar system it is.
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