Your friend. > On Aug 5, 2021, at 02:11, [email protected] wrote: > > Those who are innumerate yes. Those who are highly numerate prefer the > metric system for its very simplicity. Those who want to extract a little > more information from the numbers, in the manner that I have described no. > Likewise, if I see leaves being blown by the wind, I can estimate how far > those leaves are going in one second, but not in one hour. > > Some years ago a friend and I were trying to estimate the diameter of a > sphere that contained 2000 ton(ne)s of water without resorting to pen, paper > or calculator. I made the assumption that one tonne of water has a volume of > one cubic metre. My friend made the assumption that one ton of water is equal > to 2240 pounds and that one cubic foot of water weighed 62.5 pounds. Guess > who got the answer first? > > -----Original Message----- > From: Brian White <[email protected]> > Sent: 04 August 2021 23:10 > To: [email protected] > Cc: Martin Morrison <[email protected]>; USMA List Server > <[email protected]> > Subject: Re: [USMA 1771] Re: Olympic Tennis Metrics > > Bah. Everyone equates it to speed in a vehicle. Simple as that. > >> On Aug 4, 2021, at 16:16, [email protected] wrote: >> >> Quoting the speed of a tennis ball, baseball ball or cricket ball in km/h >> is not very helpful. Has anyone ever seen one of these balls travel for an >> hour. Using m/s makes for more sense. >> >> In baseball, the distance from the pitcher to the plate is 18.39 metres (or >> 60'6"). If the pitcher delivers the ball at a speed of 100 mph, how long >> does the batter have before the ball gets to him? If he pitches it at 44 >> m/s (the exact conversion is 44.69444), it is easy to see that he batter >> will have about 0.4 s (18.39/44). >> >> Martin >> >> -----Original Message----- >> From: USMA <[email protected]> On Behalf Of [email protected] >> Sent: 04 August 2021 21:58 >> To: USMA List Server <[email protected]> >> Subject: [USMA 1768] Olympic Tennis Metrics >> >> From an internet posting: "I'm a metric system enthusiast but the Olympic >> baseball broadcast is displaying pitch speed in km/h, and I am grateful that >> our stupid measurement system happens to work out so that "100 = A Very Fast >> Pitch." >> >> Actually, I have seen pitch speed in km/h for Wimbledon, and, I think, the >> French Open, etc. >> >> _______________________________________________ >> USMA mailing list >> [email protected] >> https://lists.colostate.edu/cgi-bin/mailman/listinfo/usma >> >> _______________________________________________ >> USMA mailing list >> [email protected] >> https://lists.colostate.edu/cgi-bin/mailman/listinfo/usma >
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