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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:24 AM Original message |
A physics question... |
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Bake (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:28 AM Response to Original message |
1. A train leaves the station going west, accelerating at a variable rate |
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Greyskye (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:30 AM Response to Reply #1 |
3. You've got to state the rate of acceleration for both cases |
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Posteritatis (1000+ posts) Send PM | Profile | Ignore | Fri Oct-10-08 02:50 PM Response to Reply #3 |
21. Well, they're trapped in a word problem. Clearly they have no hope (nt) |
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begin_within (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:29 AM Response to Original message |
2. As the sun burns its fuel and loses mass, won't it's gravitational pull on the planets weaken, |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:32 AM Response to Reply #2 |
4. Hell if I know |
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begin_within (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:34 AM Response to Reply #4 |
6. It would, however the sun will turn into a red giant before that happens, and incinerate the planets |
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caraher (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:32 AM Response to Original message |
5. The old reverse sprinkler is always a good one |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:38 AM Response to Reply #5 |
8. That's good, but |
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TlalocW (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:36 AM Response to Original message |
7. Here |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 11:41 AM Response to Reply #7 |
9. That's the kind of thing I'm looking for! |
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krispos42 (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 12:26 PM Response to Reply #9 |
10. 38 femtoseconds |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 12:32 PM Response to Reply #10 |
11. I have no idea what that means |
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krispos42 (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 12:53 PM Response to Reply #11 |
14. The prefix "femto-" means... |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 01:16 PM Response to Reply #14 |
15. Yeah, I looked it up |
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krispos42 (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 01:25 PM Response to Reply #15 |
16. We can measure things down to the attosecond range now.. |
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hunter (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 12:41 PM Response to Original message |
12. Double pendulums, chaotic waterwheels, any of those things... |
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Shiver (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 12:46 PM Response to Reply #12 |
13. Interesting... |
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TechBear_Seattle (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 07:08 PM Response to Reply #12 |
18. "The behavior of an idealized model is wildly divergent from the reality" |
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BadgerKid (1000+ posts) Send PM | Profile | Ignore | Tue Oct-14-08 04:00 PM Response to Reply #18 |
23. Check out countably infinite sets. |
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TechBear_Seattle (1000+ posts) Send PM | Profile | Ignore | Tue Oct-07-08 06:46 PM Response to Original message |
17. I remember one about the minimum volume of a hole drilled through a sphere |
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pokerfan (1000+ posts) Send PM | Profile | Ignore | Fri Oct-10-08 03:39 AM Response to Original message |
19. Equivalent resistance of a cube of identical resistors |
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hunter (1000+ posts) Send PM | Profile | Ignore | Fri Oct-10-08 01:44 PM Response to Reply #19 |
20. It reminds me of the old analog models of aquifers... |
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pokerfan (1000+ posts) Send PM | Profile | Ignore | Fri Oct-10-08 03:01 PM Response to Reply #20 |
22. Analog computing is so cool |
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DU AdBot (1000+ posts) | Tue May 07th 2024, 10:41 PM Response to Original message |
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