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Statement of a problem № 3306

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Show that the gravitational energy of earth assumed to be the uniform sphere of radius R and mass M is 3GM2/5R. What is the potential energy of earth assuming it to be a uniform sphere of radius R = 6.4x106 m and of mass M = 6.0x1024 kg.

Solution:
Show that the gravitational energy of earth assumed to be the uniform sphere of

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