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Field, Energy Quiz
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A satellite is moved from a low orbit to a higher orbit. Which of the following accurately describes the energy of the satellite?
1 point
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B
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D
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A satellite in close-Earth orbit moves to an orbit further from the Earth’s surface. Which of the following concerning the speed of the satellite and its gravitational potential energy in the new orbit is correct?
1 point
A
B
C
D
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A spacecraft is in orbit at a distance r from the centre of the Earth. The engine of the spacecraft is fired and it moves to a new orbit of radius 2r. Which of the following describes the variations in kinetic energy and total energy of the spacecraft?
1 point
A
B
C
D
Clear selection
Which graph shows how the total energy E of an orbiting satellite varies with distance r from the centre of the Earth, where rE is the radius of the Earth?
1 point
A
B
C
D
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