It is not called throwing it is called bowling as it is overarm
0.4 seconds is within most people’s reaction time, but an International bowler will have excellent eyesight and will have played cricket since he/she was about 7, so you can reckon on a reaction time of 0.025 seconds, plus they watch the run in and the arm. There are rules about not playing bouncers to often and two fast bowlers on opposite teams are idiots to bowl superfast at each other, both will have to potentially face each other. Akin to the famous sniper story in Stalingrad. A cricket ball to the head can be lethal. But it is a great sport. *John Nichols* Construction Science, College of Architecture | Texas A&M University ph: 979.845.6541 | [email protected] - - - - - - - - - - - - - - - - - - - - - - - - *https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.tamu.edu%2F&data=04%7C01%7Cusma%40lists.colostate.edu%7C9dc22c631cba43e4013008d894c6caa2%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637422928825113412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XLEMPjslyFp6%2FeX9L25YDBG9BX3%2F04Y0d28o9q%2BRSZM%3D&reserved=0* <https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.tamu.edu%2F&data=04%7C01%7Cusma%40lists.colostate.edu%7C9dc22c631cba43e4013008d894c6caa2%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637422928825113412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=XLEMPjslyFp6%2FeX9L25YDBG9BX3%2F04Y0d28o9q%2BRSZM%3D&reserved=0> *From:* USMA <[email protected]> *On Behalf Of *Martin Vlietstra *Sent:* Sunday, 29 November 2020 3:47 PM *To:* 'Stephen Humphreys' <[email protected]> *Cc:* [email protected] *Subject:* [USMA 1627] Re: Weather apt named NOAA Steve, I know that the cricket pitch is 22 yards (or 20.12 metres) between stumps. However the batting crease is 4 foot (1.22 metres) in front of the stumps and the bowler is allowed to bowl from the batting crease at the other end. Assuming that the ball leaves the bowler’s hand as his centre of gravity passes over his front foot, then he too is bowling from the batting crease. The distance that the ball travels is therefore either (22*3 – 2*4) feet or (20.12 – 2*1.22) metres, giving 58 feet or 17.68 metres. If the ball is travelling at 95 mph, how long does the batsman have to react? It is a messy calculation. If we assume 153 km/h, the calculation is somewhat easier (no need to introduce a factor of 5280). If however we record the ball as traveling at 42 m/s, it is a trivial calculation (with a calculator) to realise that the batsman has a little over 0.4 seconds to read what the ball is going to do and to play his shot. As you can see, if we use imperial units and mph, we have to convert between fee, yards and miles, but if we use metric units and m/s, there are no awkward conversion factors. *From:* Stephen Humphreys [mailto:[email protected] <[email protected]>] *Sent:* 29 November 2020 19:38 *To:* Martin Vlietstra *Cc:* Edward Schlesinger; [email protected] *Subject:* Re: [USMA 1625] Re: Weather apt named NOAA Martin - I think you know that a cricket pitch is exactly 22 yards (1 chain) - that’s how its known outside the UK too. Also there’s the 35 yard circle. You’ll know that we’re taking on S.Africa in T20 right now. Personally I understand the bowling speed in mph (or if I wasn’t British, km/h) because you can equate it with real life situations. I still find it amazing that our two fast bowlers deliver regularly at 95 mph because although less than legal I know what a car feels like at 95 mph and I feel for the poor batsman who has to hit a ball travelling to them at that speed where their visibility is basically what the grill in the helmet allows. It’s also stunning to think that a man can throw a ball that fast after running hard at the pitch On 29 Nov 2020, at 7:04 pm, Martin Vlietstra <[email protected]> wrote: I don’t know about the way in which baseball is reported in the US, but the British TV tends to use mph for the speed at which balls are delivered in cricket and in tennis. Personally, I have never seen either a tennis ball or a cricket ball travelling for an hour, so using m/s makes eminent sense, especially if you know how long a tennis court is (23 m from baseline to baseline) or a cricket pitch (20 m between stumps). Martin *From:* USMA [mailto:[email protected] <[email protected]>] *On Behalf Of *Edward Schlesinger *Sent:* 29 November 2020 18:25 *To:* [email protected] *Subject:* [USMA 1624] Weather apt named NOAA Hello all, On my cell phone weather app I selected m/s instead of knots and Pascals instead of millibars and i am still getting use to the units in my mind as i have Celsius and km. You can share the way you were able to adopt. Be Well, Edward Schlesinger _______________________________________________ USMA mailing list [email protected] https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.colostate.edu%2Fcgi-bin%2Fmailman%2Flistinfo%2Fusma&data=04%7C01%7Cusma%40lists.colostate.edu%7C9dc22c631cba43e4013008d894c6caa2%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637422928825113412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=VAV7yF2cFCs3RSRsnZhEV%2F3V54b9OdDcKbHLokR2plc%3D&reserved=0 <https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Furldefense.com%2Fv3%2F__https%3A%2Fnam01.safelinks.protection.outlook.com%2F%3Furl%3Dhttps*3A*2F*2Flists.colostate.edu*2Fcgi-bin*2Fmailman*2Flistinfo*2Fusma%26data%3D04*7C01*7Cusma*40lists.colostate.edu*7C2bf497bef10848f95be708d894b042cd*7Cafb58802ff7a4bb1ab21367ff2ecfc8b*7C0*7C0*7C637422832052702019*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C1000%26sdata%3D6PZUAOqhcsc5b0tw0ZO0rKUgh*2BEov*2Bj*2F*2BHglFXd8Ero*3D%26reserved%3D0__%3BJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl!!KwNVnqRv!UdYrprts3zobNt-H44eQzhMJafiEMzLNYkR-SlVEtsffk76poAdoacI7ydGmpLsx-18%24&data=04%7C01%7Cusma%40lists.colostate.edu%7C9dc22c631cba43e4013008d894c6caa2%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637422928825113412%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=3685xwzgk0P1%2FSa2v7h%2B9PlaTRzKbJe7aJyFLqlK6MQ%3D&reserved=0>
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