An Artificial Earth Satellite Is Moved from a Circular Orbit

question 60

Multiple Choice

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 positive work, the kinetic energy of the satellite increases, and the potential energy of the Earth-satellite system increases
• B)the gravitational force does positive work, the kinetic energy of the satellite increases, and the potential energy of the Earth-satellite system decreases
• C)the gravitational force does positive work, the kinetic energy of the satellite decreases, and the potential energy of the Earth-satellite system increases
• D)the gravitational force does negative work, the kinetic energy of the satellite system increases, and the potential energy of the Earth-satellite system decreases
• E)the gravitational force does negative work, the kinetic energy of the satellite decreases, and the potential energy of the Earth-satellite system increases

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