POLAND Regional Policy and Sport POLAND Polish Olympic Committee.
Olympic Dreams That Make Sport of Physics
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Transcript of Olympic Dreams That Make Sport of Physics
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12 July 2012
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Second-Grade Science
marbles
_ _ _ _ _ _s m o o t h
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Men’s 100-m DashBold Prediction: Winner is Jamaican with an “a”in his first name and an “l” in his last name.
Usain Bolt(1.96 m 6 5)
Asafa Powell(1.91 m 6 3)
Yohan Blake(1.80 m 5 11)
9.58 s (WR)
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Women’s 100-m Dash
Carmelita Jeter USA
• Started training with John Smith at age 29.
• Ralph Mann’s video analysis work at CompuSport.
The Washington PostSunday, 12 February 201210.64 s (personal best)
10.49 s (WR – FloJo)
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Table Tennis
Wang Hao China
vi 20 m/s (45 mph) vf 14 m/s (32 mph)vT 8.8 m/s (20 mph)
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Table Tennis
Wang Hao China
Forehand: DHS Skyline III Blue Sponge
Backhand: Butterfly Sriver topsheet on a Bryce Speed sponge
® Less “spongy” and less tackier to give more control.
® More “spongy” and more tackier to give lots of spin.
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New team entry???
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Field Hockey
Australia
Argentina
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Field Hockey Sticks
Mark McHutchon PhD thesis (University of Sheffield)
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Men’s +105-kg Weightlifting (Snatch)
Behdad SalimiIran
m = 214 kg (472 lbs)
h 2.1 m (7 ft)
t 3 s
Eout 4.5 kJ 1 Calorie Eint 4 Calories (25% efficient)
Pout 1.5 kW 2 hp
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Men’s Archery
Brady EllisonUSA
• 72 arrows shot during ranking round
• Recurve Bow 85% efficient
• Each shot stores 60 J of energy
• 72 shots @ 25% body efficiency requires 17.3 kJ athlete energy
4 Calories
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Ongoing Archery Research
Images courtesy of Robert Donahoe.
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Cycling – Women’s Sprint
Victoria PendletonUnited Kingdom
Flying 200-m time trial
10.963 s (Olympic Record)
<v> 18.24 m/s 40.81 mph
Pout 0.77 kW 1 hp ½ PSalimi
Eint 8 Calories
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Women’s High Jump
Blanka VlašićCroatia
(1.93 m 6 4 tall)
Personal Best:2.08 m (6 10)
World Record:2.09 m (6 10)
Stefka Kostadinova(1987)
• ½% increase in gravitational potential energy• ½% increase in vertical launch speed
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Men’s High Jump
Jesse WilliamsUSA
(1.84 m 6 ½ tall)
Personal Best:2.37 m (7 9¼)
World Record:2.45 m (8 00)
Javier Sotomayor(1983)
• Greater acceleration makes up for smaller height.• 3%-12% faster on approach than his competitors.• Slightly less lean upon jumping.• See current issue of Outside!
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Non-Human Projectiles: Footballs
“Power and spin in the beautiful game,” John Eric Goff, Physics Today, July 2010
14.1 m/s 31.5 mph
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The Albert by Adidas
• Tango 12 Series by Adidas• 32 Thermally-Bonded Triangles• Grip Texture• Woven Carcass and New Bladder to Better Hold Air and Keep Out Water
Men Women
My Picks:
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Women’s 200-m Backstroke
Missy FranklinUSA
(17 years old!)
Personal Best:2:05.10(2011)
World Record: Kirsty Coventry (Zimbabwe) – 2:04.81
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Women’s 200-m Backstroke
The Washington PostSunday, 21 March 2012
TALL! – 6 1.5 (1.87 m)
Big wingspan! – 6 4 (same as height for “normal” people!)
Big hands and feet (size 13)!
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The Beauty of Angular Momentum
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Men’s Long Jump
Mitchell WattAustralia
Personal Best: 8.44 m(27 8¼)
Arms and legs move to conserve angularmomentum! 1 m (3 ft) added!
Beamonesque effort needed!
World Record: Mike Powell – 8.95 m(29 4)
CORBIS
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Women’s 10-m Platform
Chen RuolinChina
FINA Rule: D 8.4.6 In dives with twist, the twisting shall not be manifestly done from the springboard or platform. If the twisting is manifestly done from the springboard or platform, each judge shall deduct ½ to 2 points, according to his opinion.
Throwing arms and bending at waist allow for twists keep angular mom. conserved!
Ilayout 4.3 Ituck 2.3 Ituck 13.6 Itwist
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More Neat Diving Physics
• Archimedes helps out with a 5-m (16.4-ft) deep pool!• Don’t expect the movie to run backwards (2nd law of thermodynamics)!
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Women’s Gymnastics – Uneven Bars
Viktoria KomovaRussia
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Women’s 50-m Rifle Three Positions
Sonja PfeilschifterGermany
• 0.22-caliber (5.6 mm) small-bore, single-loader rifle• Rifling Stability via angular momentum conservation!
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How good is an “accurate” shooter?
154.4 mm(6.08)
10.4 mm(0.409)
(43 arc)
(10 arc)
vi 331 m/s (740 mph)vf 302 m/s (676 mph)t 0.16 s
Smashed Ping-PongBall Across Table!
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Men’s Discus Throw
Robert HartingGermany
Personal Best:69.43 m(227.8 ft)
World Record: 74.08 m (243.0 ft)Jürgen Schult (1986) – longest-standing men's world record!
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Men’s Discus Throw
v0 = 25 m/s ( 56 mph)
Ch. 8
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Who are the best scientists?
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Scientific Literacy
Miller: “… able to read the Science section in the Tuesday New York Times.”
Science and the Educated American: A Core Component of Liberal Education(AAAS)
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Elementary School Science
SCIENCE AND ENGINEERING INDICATORS 2012
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Summary of AAPT Sponsored Discussion Group Response to Achieve on the Next Generation Science Standards First DraftMay 31, 2012:
Even teachers with excellent content knowledge will need professional development activities to assist them in implementing the science and engineering practices both in student learning and in student performance assessments.
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We can help!
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http://en.wikipedia.org/wiki/File:Usain_Bolt_smiling_Berlin_2009.JPG http://www.london2012.com/cycling-track/photos/galleryid=1236390/#victoria-pendleton-great-britain-rides-the-women-sprint
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http://upload.wikimedia.org/wikipedia/commons/1/1e/Yohan_Blake_Daegu_2011.jpg http://waynejoseph.files.wordpress.com/2009/08/robert-harting.jpg
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http://upload.wikimedia.org/wikipedia/commons/d/d4/Carmelita_Jeter_Berlin_2009.jpg http://www.usaswimming.org/_Rainbow/images/_National%20Team%20Swimmers/Franklin1300039722.gif
http://en.wikipedia.org/wiki/File:Flag_of_the_United_States_(Pantone).svg http://www.washingtonpost.com/sports/olympics/missy-franklin-has-body-built-for-speed/2012/02/15/gIQAtHT7RS_story.html
http://bilder.augsburger-allgemeine.de/img/18499571-1327683180000/topTeaser_crop_Sonja-Pfeilschifter-ist-mit-einem-Sieg-in-die-Olympia-Saison-gestartet.-Foto-David-Ebener.jpg
http://www.zimbio.com/pictures/QTO5d4R_2zR/Olympics+Day+15+Athletics/MTV_xa_Lzf_/Blanka+Vlasic
http://en.wikipedia.org/wiki/File:50_meter_rifle_target.svg http://en.wikipedia.org/wiki/File:Flag_of_Croatia.svg
http://images.beijing2008.cn/20071217/Img214217357.JPG http://www.zimbio.com/photos/Jesse+Williams/IAAF+World+Indoor+Championships+Day+Three/GqTksB-WgvQ
http://www.ittf.com/stories/pictures/wang_hao_30_10_10_Large.jpg http://en.wikipedia.org/wiki/File:Flag_of_Russia.svg
http://en.wikipedia.org/wiki/File:Flag_of_the_People%27s_Republic_of_China.svg http://therightwinger.co.za/2012/03/adidas-present-2012-olympic-football%E2%80%99s-official-match-ball-%E2%80%98the-albert%E2%80%99/
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http://en.wikipedia.org/wiki/File:Flag_of_Germany.svg http://www.zimbio.com/photos/Victoria+Komova/Artistic+Gymnastics+World+Championships+Tokyo/6opzDCwzyLi
http://upload.wikimedia.org/wikipedia/commons/1/19/Las_Leonas_2008_%28completo%29.jpg http://www.zimbio.com/pictures/Tk1852lTghw/Artistic+Gymnastics+World+Championships+Tokyo/hUmj3_e2hqA/Victoria+Komova
http://en.wikipedia.org/wiki/File:2008_Olympic_field_hockey_team_Australia.JPG http://imgsrc.hubblesite.org/hu/db/images/hs-2007-41-a-web.jpg
http://www.sportsauthority.com/largeImage/index.jsp?LargeImageURL=http%3A//TSA.imageg.net/graphics/product_images/p1006033dt.jpg
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http://www.youtube.com/watch?v=0HduJeMruRQ http://img10.beijing2008.cn/20080821/Img214571933.jpg
http://upload.wikimedia.org/wikipedia/commons/c/ca/Flag_of_Iran.svg http://i.eurosport.com/2011/07/18/741731-9290651-640-360.jpg
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Photo Credits
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Thanks So Much!
More from me: Gold Medal Physics: The Science of Sports
Questions and/or comments???