Gabor Farkas wrote:
> Simon wrote:
> 
>> "Simon" <shepshep1@excite.com> wrote in message 
>> news:oroMe.10865$JB4.9211@newsfe6-win.ntli.net...
>>
>>> "Jean-Marc Desperrier" <jmdesp@alussinan.org> wrote in message 
>>> news:ddst3j$lfa$1@reader1.imaginet.fr...
>>>
>>>> another fool wrote:
>>>>
>>>>> declan_murphy@hotmail.com wrote:
>>>>>
>>>>>> John W. wrote:
>>>>>> Wonder where the shotgun pellets eventually fell, and at what 
>>>>>> velocity?
>>>>>
>>>>>
>>>>> Having been peppered with shotgun pellets more then a few times while
>>>>> dove/duck hunting once they start back down they don't have the weight
>>>>> to gain enough velocity to hurt anything.  It feels like being hit by
>>>>> blowing sand.
>>>>
>>>>
>>>> Shotgun pellets, yes. Falling bullets can and will kill or disable.
>>>>
>>>> I really wondered when seeing the image of Arraft's burial how many 
>>>> people would be wounded by that. The place was so crowded every 
>>>> falling bullet would become a hazard, and they were firing everywhere.
>>>
>>>
>>> How much does a bullet weigh? a bullet shot strait up vertically will 
>>> loose all of its speed before it starts to fall back to earth. The 
>>> bullet only has gravity to accelerate it, I've read that the terminal 
>>> velocity of a falling bullet would be around 200 mph. Would a 200 mph 
>>> bullet kill you?
>>>
>>
>> This page seems to have the answer.
>>
>> http://www.abc.net.au/science/k2/homework/s95523.htm
>>
> sorry, but this is...hmm...i wonder if he really does not know it, or he 
> is trying to explain it using simpler terms and because of that he says 
> something wrong....
> 
> "
> The suck of gravity is not as powerful as the explosive gases that push 
> it out of the barrel. So it will accelerate to a maximum speed of not 
> 3,000 kilometres per hour, but somewhere between 330 and 770 kilometres 
> per hour - depending upon the weight and shape of the bullet.
> "
> 
> ?!?!?!?!?
> 
> what's he talking about?
> 
> yes, the explosive gases maybe represent a greater force, but they stop 
> affecting the bullet after it left the gun. on the other hand, the 
> gravity affects the bullet the whole time.
> 

when the bullet leaves the muzzle it has high energy, it takes the 
effect of drag time to decelerate the round.

> and since when does the weight of an item affect the speed of it's fall?

he said "weight AND shape".

> 
> to keep this simple:

it's not simple.


> let's ignore the air resistance for a while.
> if you shoot something up vertically, it will come down with EXACTLY the 
> SAME speed as it was shot upwards.
> but of course you cannot ignore the air resistance, and it will affect 
> the whole equation. so the end results he gives can be correct.
> 
> but not the bullshit about which force is greater...
> 

gravity IS a weak force watch a magnet easily support itself against 
gravity . (It isn't actually a force but that's another story).