@neiltyson That's assuming no air resistance. Horsepower rises as the cube of velocity in a resistive fluid like air.
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@neiltyson@TigerGirl528 True, simple exponential equations prove it.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson On a regulation field, what's the slowest a legal (inside the batters box) pitch can travel? - 1 more reply
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Hey
@neiltyson these are like verbatim the baseball posts you had during the World Series. Chime in on http://whatif.xkcd.com/1/ instead, eh? -
@cdevers I thought they sounded farmiliar. -
@frenchsomething He’s on autopilot with recycled material. Could’ve preprogrammed these messages in TweetDeck months ago for all we know.
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@neiltyson what would cause more damage to a human? two balls at 70 mph or a single ball at 100 mph?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson Congrats on your 250★ tweet! http://favstar.fm/t/222867859590750208 …Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson It begs for more respect for those 100 mph fastballs.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson Actually, it takes twice as much energy to throw a baseball 100 mph than is does to throw one at 70.71068 mph.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson All this talk about baseball made me remember this: http://what-if.xkcd.com/1/Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson friend Greg says you've underestimated the force required 2throw baseball 100 due 2 air resist &the inefficiency of human body.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson Because of friction, I suppose?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson If a 65 mph knuckle ball has the same arm speed as a 90 mph fast ball where does the energy go?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson Speaking of baseball physics... http://what-if.xkcd.com/1/Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson A friend of mine wants to know the formula used to calculate that 2x the energy required to hit 100mph over 70mph.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson I'm sure I can't be the first person to send you this link in response to that: http://what-if.xkcd.com/1/Thanks. Twitter will use this to make your timeline better. UndoUndo
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@neiltyson I saw an episode of top gear which this tweet reminded me of- the episode where James May makes the Veyron record run...Thanks. Twitter will use this to make your timeline better. UndoUndo
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