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I know the period (T) of the object, the mass of the earth (obviously), the radius of earth, I can calculate the objects velocity but I do not know how to find the mass of the object. Thanks.

2007-11-15 09:56:30 · 1 answers · asked by Mark K 1 in Science & Mathematics Physics

1 answers

You must know the distance of the object from the center of the Earth.

F=GMm/R^2
F=ma
a= V^2/R

all together

GMm/R^2=mV^2/R

GM/R=V^2

That shows that mass is irrelevant so long as a an orbit of radius R is archived and the object is moving with velocity V.

2007-11-17 04:27:10 · answer #1 · answered by Edward 7 · 0 0

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