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Re: [Phys-l] football orientation in flight ERRATUM



actually they were coaches rather than couches. (gotta love spellcheck/auto corrections)


On May 22, 2008, at May 22(Thu) 11:42 , chuck britton wrote:

Spinning balls are indeed easy to get 'wrong'.

I learned an important 'rule of thumb' from a group of couches who
were attending a summer physics workshop.

Couches are often put in the physics classroom (at least - here in
the south) since their certification is in 'Physic (al Education)'
and most principals are doing well to read the first two syllables
correctly

Spinning balls 'follow their nose'.

Easy to remember and it works - about as good as a 'rule of thumb'
can get.




On May 22, 2008, at May 22(Thu) 3:13 , John Denker wrote:

On 05/21/2008 10:19 PM, I wrote:

Disclaimer: This is probably quite a complicated phenomenon. It
is very,
very easy to get the wrong answer in situations like this.

I got that part right. I should have quit while I was ahead.

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