Homework Help: Physics - weighing a planet

Posted by Shaila on Sunday, August 22, 2010 at 2:42pm.

Explain how you can weigh a planet?

( Is it by the combination of the netwons law of univeral gravitation and keplers third law; t^2/r^3 = 4(pi)^2/G(Msun) )

Physics - weighing a planet - bobpursley, Sunday, August 22, 2010 at 3:23pm
I assume you mean massing a planet, not weighing. Weight is the action between two masses due to gravity.

http://www.physics247.com/physics-tutorial/mass-planet.shtml

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