We've found 6 Gravitational Potential Energy tests

Electric Potential Energy Freezing Point Of Water Gravitational Potential Energy Human Body Physical Chemistry
Chemistry Test 5-1-2015 – Flashcards 89 terms
Rebecca Baker avatar
Rebecca Baker
89 terms
Gravitational Potential Energy
Term 3 – Chemistry – Flashcards 78 terms
Darryl Wooten avatar
Darryl Wooten
78 terms
Chemical Energy Gravitational Potential Energy Kinetic And Potential Energy
MICRO EXAM #2b – Flashcards 39 terms
Misty Porter avatar
Misty Porter
39 terms
Electromagnetic Waves Gravitational Potential Energy Kinetic And Potential Energy Physics
PhySci Chpt 3-4 29 terms
Chad Lipe avatar
Chad Lipe
29 terms
Astronomy Gravitational Potential Energy Inverse Square Law
Exam2 Ch. 11 25 terms
Carmen Dawson avatar
Carmen Dawson
25 terms
Astronomy Earth Science Gravitational Potential Energy Questions And Answers
Flashcards on ASTRONOMY 101 171 terms
Viola Marenco avatar
Viola Marenco
171 terms
Which internal energy source produces heat by converting gravitational potential energy into thermal energy?
Accretion and Differentitaiton/ both A and B
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The diagram above shows a planet at four positions in its orbit. At which position does it have the greatest gravitational potential energy?
Farthest from the sun
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The diagram above shows a planet at four positions in its orbit. At which position does it have the greatest total orbital energy? (Orbital energy is the sum of the planet’s kinetic and gravitational potential energy.)
The total orbital energy is the same at all four positions.
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Which of the following correctly describes how the process of gravitational contraction can make a star hot? A.Heat is generated when gravity contracts, because gravity is an inverse square law force. B.Gravitational contraction involves nuclear fusion, which generates a lot of heat. C.Gravitational contraction involves the generation of heat by chemical reactions, much like the burning of coal. D.When a star contracts in size, gravitational potential energy is converted to thermal energy.
D.When a star contracts in size, gravitational potential energy is converted to thermal energy.
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3) Why did the solar nebula heat up as it collapsed? A) Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula. B) As the cloud shrank, its gravitational potential energy was converted to kinetic energy and then into thermal energy. C) Radiation from other nearby stars that had formed earlier heated the nebula. D) The shock wave from a nearby supernova heated the gas. E) Collisions among planetesimals generated friction and heat.
Answer: B
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Why did the solar nebula heat up as it collapsed? A) Nuclear fusion occurring in the core of the protosun produced energy that heated the nebula. B) As the cloud shrank, its gravitational potential energy was converted to kinetic energy and then into thermal energy. C) Radiation from other nearby stars that had formed earlier heated the nebula. D) The shock wave from a nearby supernova heated the gas. E) Collisions among planetesimals generated friction and heat.