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Talking Balls - A study of sports projectile trajectories

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19:30 – 20:30 26 Sep 2012
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Powell Theatre Sherborne School Dorset, DT9 3AP

Speakers: Colin White - University of Portsmouth

Speaker: Colin White - University of Portsmouth
In this informal and light-hearted presentation Colin will demonstrate, using a variety of sports equipment, a wide range of remarkable and unexpected flight phenomena. He will explore such concepts as:
• The ways in which friction, spin, drag and bounce influence projectile paths and, hence, the game plans,
• The optimum kicking strategies for rugby conversions and soccer penalty shoot-outs,
• How cricket ball swing and reverse swing occur,
• How shot put range is affected by where in the world the sports stadium is located, and even the direction of the throw.
• He might also be persuaded to present his thoughts on such important issues as:
• How to play tennis in the nude safely (essential for the enthusiastic sports naturist),
• The chances of survival should your parachute fail while in freefall (maybe even more essential),
• The best pitching technique for competitive iPod throwing contests.
Sports players are emotional individuals, and so they are particularly susceptible to a range of myths and legends which surround their sport. A key aspect of this presentation will be the mathematical debunking of some of these ‘perceived wisdoms’. Examples include:
• The ‘late swing’ of a cricket ball (no such thing)
• The reduction in range when shooting a ball into a headwind (usually the range is increased)
• The optimum impact point of a snooker cue onto the cue ball (seldom the centre)
• Balls never bounce higher than they are dropped (oh, yes they do – if you are prepared to cheat a little)
Those who have seen Colin perform know that they are in for a presentation that is lively, informative, entertaining and stuffed with humorous anecdotes.

Event type: Lecture/Talk
Organised by: IOP South West Branch
Contact details: Email: juliaabel99@yahoo.co.uk

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Powell Theatre Sherborne School Dorset, DT9 3AP
Clock icon
19:30 – 20:30 26 Sep 2012
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