piclist 2008\07\25\140743a >
Thread: The physics of stuff getting hit
face BY : Tony Smith email (remove spam text)

> I don't think so.
> I rather get hit with a 5 kg pillow travelling at 40 mph,
> than a 100 gram golf ball moving at 30 mph, even though the
> former has far more momentum.
> I think you've to take into account:
>     * Momentum
>     * Hardness
>     * Surface are of impact

NASA used to think like that.  Maybe they still do.


<E1KMRgU-0004II-6K@sydgsomail1.beagle.com.au> 7bit

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