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Main Injector, 2 miles around

Fermilab. Tevatron, 4 miles around. Main Injector, 2 miles around. The Physics of Sports. Physics explains things that are very, very small. Physics explains things that are very, very large. Physics explains things that are right in front of us. The Motion of a Ball.

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Main Injector, 2 miles around

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  1. Fermilab Tevatron, 4 miles around Main Injector, 2 miles around

  2. The Physics of Sports

  3. Physics explains things that are very, very small.

  4. Physics explains things that are very, very large.

  5. Physics explains things that are right in front of us.

  6. The Motion of a Ball

  7. Conservation of Energy Potential Energy Kinetic Energy Kinetic Energy Compression Energy Heat and Sound Energy

  8. Flight Path

  9. Changing Direction of Motion

  10. Why are they all different?

  11. Conservation of Momentum

  12. Bat and ball are both moving…

  13. The Home Run Swing • Ball arrives on 100 downward trajectory • Big Mac swings up at 250 • Ball takes off at 350 • The optimum home run angle! Courtesy of A. Nathan, University of Illinois. http://www.npl.uiuc.edu/~a-nathan/pob/

  14. Energy in the baseball/bat collision

  15. Player, stick, and puck in motion

  16. What affects these games? • Speed of the club, bat, racquet, or stick • The bounciness of the ball • The bounciness of club, bat, racquet, or stick • Follow through • Special equipment features

  17. Resistance (drag)

  18. FRICTION

  19. Resistance & Friction

  20. The Power of Spin

  21. Spins in Figure Skating

  22. Reaction Time

  23. …in tennis

  24. Downhill skier speed: 80 mph

  25. Reaction Time in Baseball Courtesy of R. Adair through A. Nathan.

  26. Measure your reaction time…

  27. Compare your reaction time… Equation used: t = √((2d)/g)

  28. Physical laws explain the world • Forces and motion • Conservation of energy • Conservation of momentum These laws help us explain everything about sports. Physics really is everywhere!

  29. Visit Fermilabwww.fnal.gov • Buffalo viewing • Bicycling • Walking • Roller blading • Canoeing • Fishing

  30. Visit Fermilab • Lederman Science Center • Tours • Saturday morning physics • Ask a Scientist On-line activities: www-ed.fnal.gov

  31. The Physics of Sports

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