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2020-04-28: Space Time Livestream: Ask Matt Anything

  • 00:00: ... concept think about what it is kinetic energy half MV squared okay gravitational potential energy okay GM M over R okay these these are mathematical quantities ...

2018-05-16: Noether's Theorem and The Symmetries of Reality

  • 05:33: ... saves energy conservation by incorporating the entire universe's gravitational potential energy to offset the seeming gains or losses to redshift in dark ...

2018-02-14: What is Energy?

  • 02:20: When she introduced the idea of gravitational potential energy, she put the laws of conservation of energy and momentum on equal footing.
  • 02:47: ... example, du Chatelet's gravitational potential energy, mass times the gravitational acceleration times height, is just ...
  • 03:40: Gravitational potential energy gets converted to kinetic energy in the fall and then back to exactly the same amount of potential energy in the rise.
  • 06:25: ... we're actually including the entire ball-Earth system when we add in gravitational potential energy, because that energy is stored in the Earth's gravitational ...

2017-08-16: Extraterrestrial Superstorms

  • 04:37: As they contract, gas giants convert gravitational potential energy into heat, which in turn powers the largest storms in the solar system.

2017-04-05: Telescopes on the Moon

  • 10:52: You could transform the gravitational potential energy of things falling towards the event horizon into usable energy.
  • 11:09: ... converts gravitational potential energy into kinetic energy but that kinetic energy is only positive ...

2016-05-25: Is an Ice Age Coming?

  • 14:12: ... from a Newtonian perspective requires the invention of a new quantity-- gravitational potential energy-- in order to preserve energy ...

2016-04-13: Will the Universe Expand Forever?

  • 05:17: It reflects the same balance between kinetic and gravitational potential energy that we saw in our rising apple.
  • 05:53: So this second piece represents the capacity of the universe to slow itself down and is analogous to the gravitational potential energy.

2015-05-27: Habitable Exoplanets Debunked!

  • 06:50: If everyone on Earth picked up a hammer at the same time, by how much would Earth's mass increase due to the excess gravitational potential energy?
  • 07:01: ... more gravitational potential energy in the hammers, but that was previously stored as chemical energy ...

2015-05-20: The Real Meaning of E=mc²

  • 05:37: ... potential energy will drop when they get closer together, just like your gravitational potential energy drops when you get closer to the surface of Earth, which is also ...
  • 08:35: ... second configuration has more gravitational potential energy than the first because the second block is higher up, so it will ...
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