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Re: raining bullets

From jimp@specsol.spam.sux.com
Newsgroups sci.physics
Subject Re: raining bullets
Date 2015-10-31 03:38 +0000
Organization A noiseless patient Spider
Message-ID <ampdgc-ou7.ln1@mail.specsol.com> (permalink)
References <8ad5a1b5-6e1c-4815-b383-266936df13bb@googlegroups.com> <29fdgc-ht6.ln1@mail.specsol.com> <kOOdnWTYtOM4iKnLnZ2dnUU7-a2dnZ2d@giganews.com> <j2ldgc-ge7.ln1@mail.specsol.com> <kOOdnZrbtONatKnLnZ2dnUU7-a2dnZ2d@giganews.com>

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Sam Wormley <swormley1@gmail.com> wrote:
> On 10/30/15 9:19 PM, jimp@specsol.spam.sux.com wrote:
>> Sam Wormley <swormley1@gmail.com> wrote:
>>> On 10/30/15 7:40 PM, jimp@specsol.spam.sux.com wrote:
>>>> RichD <r_delaney2001@yahoo.com> wrote:
>>>>> In Physics 101, they teach that a bullet falls at the same rate
>>>>> it rises, it's gravity etc.  Hence laws against firing into the sky.
>>>>>
>>>>> But in the real world, there's air resistance, in both directions.
>>>>> Question:  at what speed does a bullet actually hit the earth?
>>>>> Assume .38 Special, if it matters.
>>>>>
>>>>> --
>>>>> Rich
>>>>
>>>> There are several things that matter.
>>>>
>>>> It takes little thought to realize that bullets do not come down
>>>> at the same speed they went up.
>>>>
>>>> The muzzle velocity of most handguns is just under 1.000 ft/sec and most
>>>> rifles around 2,300 ft/sec. Supersonic is 1,100 ft/sec.
>>>>
>>>> Once a bullet reaches apogee, it's vertical velocity is zero and the
>>>> only thing accerlating it is gravity, which means bullets, like everything
>>>> else, have a terminal velocity on the way down that is a function of
>>>> the drag and mass.
>>>>
>>>> Bullets are spin stabilized so as to not tumble in flight.
>>>>
>>>> If fired straight up, they are guaranteed to tumble on the way down.
>>>>
>>>> At some angle less than straight up, they will not tumble and will
>>>> retain a lot velocity.
>>>>
>>>> If they tumble, they have much greater drag.
>>>>
>>>> Experiments have shown that the typical range of terminal velocities for
>>>> bullets is around 300 to 700 ft/sec.
>>>>
>>>> After WWI, the US Army got concerned about the troops shooting into
>>>> the air at those new fangled airplanes and worried that the troops
>>>> might wind up shooting themselves in the process.
>>>>
>>>> So in the 1920's a young junior officer named Hatcher, later General
>>>> Hatcher, was sent to a remote beach with troops, guns, and equipment.
>>>>
>>>> They built a steel canopy for cover and built mounts to fire a variety
>>>> of guns, including rifles and machine guns straight up into the air.
>>>>
>>>> After a little testing the exercise became a game to see if the troops
>>>> could catch the bullets in their helmets.
>>>>
>>>> If you can find the whole story it is an interesting read.
>>>>
>>>> I would not suggest anyone, well maybe one person, trying this at
>>>> home as a bullet at even 300 ft/sec would be a hell of a thump on
>>>> the head.
>>>>
>>>>
>>>>
>>>
>>>
>>>    Gentlemanly response from the jimp. Good.
>>
>> Have you ever wondered why you are the only person who thinks I am
>> angry with them, spamming piece of shit?
>>
> 
>   Oops, you blew it, jimp!

Nope, I called a spamming shit head a spamming shit head; right on
the money with that one.


-- 
Jim Pennino

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Thread

raining bullets RichD <r_delaney2001@yahoo.com> - 2015-10-30 16:50 -0700
  Re: raining bullets R Kym Horsell <kym@kymhorsell.com> - 2015-10-31 00:10 +0000
  Re: raining bullets Fabian Russell <root@localhost.localdomain> - 2015-10-31 00:38 +0000
  Re: raining bullets jimp@specsol.spam.sux.com - 2015-10-31 00:40 +0000
    Re: raining bullets Sam Wormley <swormley1@gmail.com> - 2015-10-30 20:13 -0500
      Re: raining bullets benj <nobody@gmail.com> - 2015-10-30 21:39 -0400
      Re: raining bullets jimp@specsol.spam.sux.com - 2015-10-31 02:19 +0000
        Re: raining bullets Sam Wormley <swormley1@gmail.com> - 2015-10-30 21:39 -0500
          Re: raining bullets jimp@specsol.spam.sux.com - 2015-10-31 03:38 +0000
  Re: raining bullets "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-10-31 13:02 -0700
    Re: raining bullets Double-A <double-a3@hush.com> - 2015-11-01 13:46 -0800

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