A-LevelPhysicsGravitational fieldsOct/Nov 2020Paper 4 Q19 Marks
The Earth may be considered to be a uniform sphere of radius 6.4 × 10⁶m with its mass of 6.0 x 10²⁴ kg concentrated at its centre. A satellite of mass 2.4 x 10³ kg is launched from the Equator. It is placed in an equatorial orbit at a height of 5.6 × 10⁶ m above the Earth's surface.
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