Do a barrel roll - Google Search • Hacker News Board

Re: Do a barrel roll - Google Search

#111

Post by entangledvyne » Fri, Nov 04, 2011, 6:48 AM UTC

https://www.google.com/search?pws=0&q=Z+or+R+twice works as well!!!! :D:D:D

Re: Do a barrel roll - Google Search

#112

Post by [deleted] » Mon, Nov 07, 2011, 8:25 AM UTC

verroq wrote: post #105

ajarmoniuk wrote: post #104

Earlier quoted context omitted.

that was centrifugal, not gravitational force

Centripetal. Centrifugal force is imaginary.

[deleted]

Re: Do a barrel roll - Google Search

#113

Post by ajarmoniuk » Mon, Nov 07, 2011, 8:38 AM UTC

verroq wrote: post #105

ajarmoniuk wrote: post #104

Earlier quoted context omitted.

that was centrifugal, not gravitational force

Centripetal. Centrifugal force is imaginary.

Centrifugal is imaginary in a non-inertial reference frame (as the case is here), but is a "real" force otherwise.

There was a discussion on this exact subject recently on Reddit (/r/askscience) which might be interesting:

http://www.reddit.com/r/askscience/comments/m2b1t/how_fast_c...

and the entry on Wikipedia:

http://en.wikipedia.org/wiki/Centrifugal_force