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What is the most efficient method for solving this gravitational field problem?
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[QUOTE="Saitama, post: 4616336, member: 331656"] Hi Dick! :) I consider a sphere of radius R and mass 2M. The field at P is given by: $$\frac{2GM}{9R^2}+E_{-M}=I_0=E_M$$ where ##E_{-M}## represents field at P due to the imaginary hemisphere of mass -M and ##E_M## represents the field at P due to hemisphere of mass M. The field at Q is given by: $$\frac{2GM}{9R^2}+E'_{-M}$$ where ##E'_{-M}## is the field at Q due to imaginary hemisphere of mass -M. Since ##E'_{-M}=-E_M=-I_0##, the field at Q is given by: $$\frac{2GM}{9R^2}-I_0$$ Is this correct? [/QUOTE]
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Introductory Physics Homework Help
What is the most efficient method for solving this gravitational field problem?
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