Tue April 28

Assignments for the rest of the term are up : go over what they are.

Questions about the rotations homework or anything else?

This week : gravity, chapter 13.

• walk through the material in the chap 13 course slides

There are a lot of related interesting topics to discuss ...

Depending on time, these next topics will likely spill over to Thursday.

• Newton's cannonball
• classical central force physics
• three body problem | figure eight simulation
• gravity simulators | 1 2 3
  • create your own : css-tricks
• space elevator & similar
  • wikipedia: space elevator
  • wikipedia: skyhook | hackernews
• lagrange points
• space structures
  • ringworld
  • dyson sphere
  • space habitat

And then there's always :

• up goer five
• history of the universe
• relativistic effects
  • if your rocket accelerates at 1g, how far can you get?
  • ... and what does it look like along the way?

attachments

		last modified	size
	escape_velocity.pdf	Tue Oct 27 2026 02:55 pm	231K