Fwd: warm and cold winds

[David King]

Of course!

After years of using mph though, kph seems more natural than kmph. In  
fact I cannot imagine saying "kay - em - pee - aitch"

What do others write/say?


David King
Physics HoD
Christ's College
Private Bag 4900
Christchurch
New Zealand




Begin forwarded message:

> From: David Porteous <porteousdha at xtra.co.nz>
> Date: 10 May 2008 12:07:12 PM
> To: "David King" <dking at christscollege.com>
> Subject: Re: warm and cold winds
>
> What a lot of responses this inquiry has received but David, kph oh  
> no kmph!
> It's not 1000ph!!!
> Another David
>
> David King <dking at christscollege.com> wrote:
>
>
> Can someone help?
>
>
> I got myself in a bit of a confuddle yesterday trying to answer a  
> pupils question.
>
>
> "Sir, why, if temperature is to do with Kinetic Energy is wind cold?"
>
>
> I started on evaporation from the skin etc and the idea of us  
> 'feeling' cold, when he asked
>
>
> "Why do we have warm winds? What's the difference?"
>
>
> I started to answer then stopped. What makes air particles  
> travelling at whatever kph warm or cold?
>
>
> Cheers
>
>
>
>
> David King
> Physics HoD
> Christ's College
> Private Bag 4900
> Christchurch
> New Zealand
>
>
>
>
>
>
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>

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