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An Artificial Earth Satellite of Mass M Is Moved from a Circular

Question 41

Multiple Choice

An artificial Earth satellite of mass m is moved from a circular orbit with radius R to a circular orbit with radius 2R.If the mass of the Earth is ME, the work done by the gravitational force is:


A) zero
B) GMEm/R
C) GMEm/2R
D) −GMEm/R
E) −GMEm/2R

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