13. An artificial Earth satellite is moved from a circular orbit with radius R t

Question

13. An artificial Earth satellite is moved from a circular orbit with radius R to a circular orbit with radius 2R. During this move: A) The gravitational force does no work B) The gravitational force does positive work. C) The gravitational force dooms negative work. D) The work done by the gravitational force cannot be determined without knowing the path of the satellite. E) The work done by the gravitational force cannot be determined without knowing what force caused the satellite to change its mint

Explanation / Answer

Ans C. since force ancting is opposite to displacement

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