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RichardKennaway comments on Request: Interesting Invertible Facts - Less Wrong Discussion

19 Post author: Eliezer_Yudkowsky 08 October 2010 08:02PM

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Comment author: RichardKennaway 18 October 2010 02:47:52PM 0 points [-]

If it's thrown straight up, I see a simple argument that it will take longer to fall than to rise, but none showing the reverse. A driven golf ball would be a more ambiguous problem. The same argument as for the baseball applies, but there is the extra effect of the backspin operating in the opposite direction.