| 31. | Gravitational potential energy and electrostatic potential energy are described as being due to an object's location in a field.
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| 32. | If the Universe is dominated by matter, then large-scale gravitational potential energy wells and hills do not evolve significantly.
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| 33. | Another way of saying this is that you must bring the planet's gravitational potential energy state up to zero.
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| 34. | It was theorised that the gravitational potential energy from the contraction of the Sun could be its source of power.
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| 35. | Once the spacecraft is far from the planet again, the SOE is entirely kinetic, since gravitational potential energy approaches zero.
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| 36. | Gravitational potential energy from the collapse causes runaway fusion of the core which entirely destroys the star, leaving no remnant.
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| 37. | So, at that point all that's left is the gravitational potential energy, which is dependent on the height of the roof.
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| 38. | We could use the gravitational potential energy of that mass, along with any energy that escapes as it nears the event horizon.
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| 39. | :As escape velocity explains, it can be calculated by setting the kinetic energy equal to the negative of the gravitational potential energy.
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| 40. | When fully wound, my clock stores about 30 Joules of gravitational potential energy-about 24 times less than that 720 Joule watch battery!
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