Bullet dropping from sky

A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass).
 
Originally Posted By: Mike21A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass).

Your High Science teacher called, and left a phone message.

"Dear Michael. Please mail your high school diploma back at your earliest convince. We made a terrible mistake"

A 30 caliber bullet will reach ~ 150-160 fps, no matter how high it went, and no matter how long it falls... it will tumble and mostly travel sideways. Terminal velocity is reached fairly quickly.

Smaller bullets will reach slower velocities, and a 17 caliber bullet will reach ~40 to 50 fps.


.
 
Originally Posted By: ZaneTuckeri have no clue how many times i have been hit by shot during duck season even at 200 yards it just stings a little when it hits bare skin.

One should never duck hunt without clothes on
lol.gif
 
Several years ago a young man was shooting blackbirds out of a tree.Aprox 1/2 mile away a man was walking in his pasture to look at his cows.A .22 bullet hit him in the chest perfectly between the ribs and penetrated hit his heart.He fell dead right there.I personally knew the shooter and the man that was hit.Never could understand really how it happened but it did happen.
 
Originally Posted By: CatShooterOriginally Posted By: Mike21A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass). Nope. Newton explains it well in the Second Law. You can read about it and find out why things of different mass will reach the same terminal velocity here. http://www.physicsclassroom.com/class/newtlaws/u2l3e.cfm Your school is calling you.

Your High Science teacher called, and left a phone message.

"Dear Michael. Please mail your high school diploma back at your earliest convince. We made a terrible mistake"

A 30 caliber bullet will reach ~ 150-160 fps, no matter how high it went, and no matter how long it falls... it will tumble and mostly travel sideways. Terminal velocity is reached fairly quickly.

Smaller bullets will reach slower velocities, and a 17 caliber bullet will reach ~40 to 50 fps.


.
 
Originally Posted By: BangPopOriginally Posted By: CatShooterOriginally Posted By: Mike21A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass).


Your High Science teacher called, and left a phone message.

"Dear Michael. Please mail your high school diploma back at your earliest convince. We made a terrible mistake"

A 30 caliber bullet will reach ~ 150-160 fps, no matter how high it went, and no matter how long it falls... it will tumble and mostly travel sideways. Terminal velocity is reached fairly quickly.

Smaller bullets will reach slower velocities, and a 17 caliber bullet will reach ~40 to 50 fps.


.

Nope. Newton explains it well in the Second Law. You can read about it and find out why things of different mass will reach the same terminal velocity here. http://www.physicsclassroom.com/class/newtlaws/u2l3e.cfm Your school is calling you.



Wow... did you bomb out in science...

I am CONSTANTLY amazed how people think they can make a point by googling something they do not understand, and then NOT READING THE ENTIRE WEB PAGE THEY REFER TO.


DUMMY... what you refer to is the speed of free fall IN A VACUUM - read a little further down on the same page, under...

"Falling with Air Resistance
As an object falls through air, it usually encounters some degree of air resistance. Air resistance is the result of collisions of the object's leading surface with air molecules. The actual amount of air resistance encountered by the object is dependent upon a variety of factors. To keep the topic simple, it can be said that the two most common factors that have a direct affect upon the amount of air resistance are the speed of the object and the cross-sectional area of the object. Increased speeds result in an increased amount of air resistance. Increased cross-sectional areas result in an increased amount of air resistance."

Then click on the animation right under it.

Do you really think an elephant falls at the same speed as a mouse?

The terminal speed of a 30 cal bullet has been measured at ~150 to 175 fps, by the military thousands of times.
DO you really think the terminal speed of a 200 pound artillery shell is 150 fps?

Are you out of your mind - how stupid can you be??


.
 
Originally Posted By: huntsman22So, does this mean a bird will just fall, in a vaccuum? no matter how hard he flaps?

Well, he probably won't flap - he'll be dead
frown.gif


But in a vacuum, a bird will fall as fast as a battle ship.


.
 
All I know is that once while squirrel hunting with my 22 rim fire I shot up the tree to take a squirrel & what seemed like several seconds later ... that little sum beech come screaming back down through the tree limbs & scared the day lights outta me as it zinged on by me! I know for a fact, it would have left a mark.
scared.gif



I'm much more careful about shooting up, now.
lol.gif
 
So far, about all that most of the answers presented at this point do is allow an individual to arrive at one conclusion: Gunsmiths who are not trained as physicists should stick to being gunsmiths, and most likely, AND conversely, physicists who are not trained as gunsmiths should probably stick to being physicists.

Also, so far, the closest anyone got to a true answer without a lot of the usual internet fluff and bluster was the gentleman who mentioned terminal velocity. The terminal velocity of any object can be precisely determined, or it can be a best educated guess, based on the amount of relevant variables that are exactly measured. And the variables measured include gravity and atmospheric density which varies with altitude, water density in the atmosphere, temperature, ad nauseum, and the list goes on. In addition, the mass of an object and its shape as well as its flight characteristics while falling are other variables that fit into the equation to provide a final and definitive answer.

I will add the following response about a falling bullet in that it will typically fall mass first, which generally means the back end of the bullet will arrive first in atmospheric "free fall", unless there are other variables present which singularly or in combination overcome the form factor of the falling object.

The only other idea I will ADD to the mix is that if you fire a 30 caliber 165 grain bullet into the air at an angle perpendicular to the horizon, I don't want to be at the point where it comes back down and contacts WHATEVER IT FIRST CONTACTS, AND ABRUPTLY FALLS BELOW FINAL TERMINAL VELOCITY. It could hurt a bunch. A feather falling from the same height would probably hurt less unless it sticks you in the eye.

Below are some links that might explain the entire issue a bit better. No link is necessarily better than others, but they explain the same idea in slightly different ways.

http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html
http://www.ehow.com/how_8670126_calculate-terminal-velocity-falling-object.html
http://www.mdusd.k12.ca.us/northgate/Teachers/Muilenburg/Website2/Dynamics/DragNot.html
http://hyperphysics.phy-astr.gsu.edu/hbase/airfri2.html
http://www.newton.dep.anl.gov/askasci/phy00/phy00012.htm
http://www.education.com/science-fair/article/terminal-velocity-maximum-velocity-fluid/
http://www.wikihow.com/Calculate-Terminal-Velocity
http://www.jirvine.co.uk/Physics_GCSE/Physics_AQA/Physics_2A/p2aL6.htm

Gentlemen: Get out your calculators and as they say in NASCAR, start your engines.

By the way, Newton's Second Law mentioned above deals with the rate of acceleration of objects of different mass. Falling objects all reach terminal velocity if they fall far enough, and if no other forces act against the single force of gravity.

Thus, two objects of different mass will fall at the same rate, but only in a vacuum. The reason for that is gravity is the only reactive force acting on a falling object in a vacuum. Mass becomes irrelevant.

In the instance being discussed here, the bullet will attain terminal velocity in falling a lot quicker than will a leaf dropped from the same height due to variables other than gravity. Newton's 2nd says next to nothing about which object will fall faster unless related variables are different or they change during the fall time of each object.
 
....all I know is,if Your older Brother shoots an arrow into the air and You can no longer see where it is .....You better run for cover! Yikes!!!! :eek:
 
Originally Posted By: Winny FanSo far, about all that most of the answers presented at this point do is allow an individual to arrive at one conclusion: Gunsmiths who are not trained as physicists should stick to being gunsmiths, and most likely, AND conversely, physicists who are not trained as gunsmiths should probably stick to being physicists.

Also, so far, the closest anyone got to a true answer without a lot of the usual internet fluff and bluster was the gentleman who mentioned terminal velocity. The terminal velocity of any object can be precisely determined, or it can be a best educated guess, based on the amount of relevant variables that are exactly measured. And the variables measured include gravity and atmospheric density which varies with altitude, water density in the atmosphere, temperature, ad nauseum, and the list goes on. In addition, the mass of an object and its shape as well as its flight characteristics while falling are other variables that fit into the equation to provide a final and definitive answer.

I will add the following response about a falling bullet in that it will typically fall mass first, which generally means the back end of the bullet will arrive first in atmospheric "free fall", unless there are other variables present which singularly or in combination overcome the form factor of the falling object.

The only other idea I will ADD to the mix is that if you fire a 30 caliber 165 grain bullet into the air at an angle perpendicular to the horizon, I don't want to be at the point where it comes back down and contacts WHATEVER IT FIRST CONTACTS, AND ABRUPTLY FALLS BELOW FINAL TERMINAL VELOCITY. It could hurt a bunch. A feather falling from the same height would probably hurt less unless it sticks you in the eye.

Below are some links that might explain the entire issue a bit better. No link is necessarily better than others, but they explain the same idea in slightly different ways.

http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html
http://www.ehow.com/how_8670126_calculate-terminal-velocity-falling-object.html
http://www.mdusd.k12.ca.us/northgate/Teachers/Muilenburg/Website2/Dynamics/DragNot.html
http://hyperphysics.phy-astr.gsu.edu/hbase/airfri2.html
http://www.newton.dep.anl.gov/askasci/phy00/phy00012.htm
http://www.education.com/science-fair/article/terminal-velocity-maximum-velocity-fluid/
http://www.wikihow.com/Calculate-Terminal-Velocity
http://www.jirvine.co.uk/Physics_GCSE/Physics_AQA/Physics_2A/p2aL6.htm

Gentlemen: Get out your calculators and as they say in NASCAR, start your engines.

By the way, Newton's Second Law mentioned above deals with the rate of acceleration of objects of different mass. Falling objects all reach terminal velocity if they fall far enough, and if no other forces act against the single force of gravity.

Thus, two objects of different mass will fall at the same rate, but only in a vacuum. The reason for that is gravity is the only reactive force acting on a falling object in a vacuum. Mass becomes irrelevant.

In the instance being discussed here, the bullet will attain terminal velocity in falling a lot quicker than will a leaf dropped from the same height due to variables other than gravity. Newton's 2nd says next to nothing about which object will fall faster unless related variables are different or they change during the fall time of each object.

Yea, that's all well and good, but the question still remains, "with all the rounds fired in the air, why aren't there more dead Muslems"?
wink.gif
 
Originally Posted By: RePeteOriginally Posted By: Winny FanSo far, about all that most of the answers presented at this point do is allow an individual to arrive at one conclusion: Gunsmiths who are not trained as physicists should stick to being gunsmiths, and most likely, AND conversely, physicists who are not trained as gunsmiths should probably stick to being physicists.

Also, so far, the closest anyone got to a true answer without a lot of the usual internet fluff and bluster was the gentleman who mentioned terminal velocity. The terminal velocity of any object can be precisely determined, or it can be a best educated guess, based on the amount of relevant variables that are exactly measured. And the variables measured include gravity and atmospheric density which varies with altitude, water density in the atmosphere, temperature, ad nauseum, and the list goes on. In addition, the mass of an object and its shape as well as its flight characteristics while falling are other variables that fit into the equation to provide a final and definitive answer.

I will add the following response about a falling bullet in that it will typically fall mass first, which generally means the back end of the bullet will arrive first in atmospheric "free fall", unless there are other variables present which singularly or in combination overcome the form factor of the falling object.

The only other idea I will ADD to the mix is that if you fire a 30 caliber 165 grain bullet into the air at an angle perpendicular to the horizon, I don't want to be at the point where it comes back down and contacts WHATEVER IT FIRST CONTACTS, AND ABRUPTLY FALLS BELOW FINAL TERMINAL VELOCITY. It could hurt a bunch. A feather falling from the same height would probably hurt less unless it sticks you in the eye.

Below are some links that might explain the entire issue a bit better. No link is necessarily better than others, but they explain the same idea in slightly different ways.

http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html
http://www.ehow.com/how_8670126_calculate-terminal-velocity-falling-object.html
http://www.mdusd.k12.ca.us/northgate/Teachers/Muilenburg/Website2/Dynamics/DragNot.html
http://hyperphysics.phy-astr.gsu.edu/hbase/airfri2.html
http://www.newton.dep.anl.gov/askasci/phy00/phy00012.htm
http://www.education.com/science-fair/article/terminal-velocity-maximum-velocity-fluid/
http://www.wikihow.com/Calculate-Terminal-Velocity
http://www.jirvine.co.uk/Physics_GCSE/Physics_AQA/Physics_2A/p2aL6.htm

Gentlemen: Get out your calculators and as they say in NASCAR, start your engines.

By the way, Newton's Second Law mentioned above deals with the rate of acceleration of objects of different mass. Falling objects all reach terminal velocity if they fall far enough, and if no other forces act against the single force of gravity.

Thus, two objects of different mass will fall at the same rate, but only in a vacuum. The reason for that is gravity is the only reactive force acting on a falling object in a vacuum. Mass becomes irrelevant.

In the instance being discussed here, the bullet will attain terminal velocity in falling a lot quicker than will a leaf dropped from the same height due to variables other than gravity. Newton's 2nd says next to nothing about which object will fall faster unless related variables are different or they change during the fall time of each object.

Yea, that's all well and good, but the question still remains, "with all the rounds fired in the air, why aren't there more dead Muslems"?
wink.gif


My only answer to that Mr. Repete is that CNN probably doesn't want us to know that answer. We might form the "wrong" conclusions if the truth were known, so they only tell us what they want us to "know".

I do know that on New Year's Eve in the south, which is much like the 4th Of July with some people firing their favorite weapon of choice into the air in celebration, it is a forbidden practice by law simply because the practice has killed people in the past. And it seldom is the guy who fired the gun. It usually is someone a half mile away or less and not the guy actually firing the weapon. Maybe that is why CNN missed the other part of the equation. They are only at the point that the AK is being fired from because its more newsworthy to them.
 
Originally Posted By: TnslimIf they were deadly there wouldn't be 5 people living in most muslim countrys. Every news cast shows a bunch of ragheads firing straight up with their AK's. Why do you think they are wearing Rags on their Heads!!!
lol.gif
 
Originally Posted By: CatShooterOriginally Posted By: BangPopOriginally Posted By: CatShooterOriginally Posted By: Mike21A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass).


Your High Science teacher called, and left a phone message.

"Dear Michael. Please mail your high school diploma back at your earliest convince. We made a terrible mistake"

A 30 caliber bullet will reach ~ 150-160 fps, no matter how high it went, and no matter how long it falls... it will tumble and mostly travel sideways. Terminal velocity is reached fairly quickly.

Smaller bullets will reach slower velocities, and a 17 caliber bullet will reach ~40 to 50 fps.


.

Nope. Newton explains it well in the Second Law. You can read about it and find out why things of different mass will reach the same terminal velocity here. http://www.physicsclassroom.com/class/newtlaws/u2l3e.cfm Your school is calling you.



Wow... did you bomb out in science...

I am CONSTANTLY amazed how people think they can make a point by googling something they do not understand, and then NOT READING THE ENTIRE WEB PAGE THEY REFER TO.


DUMMY... what you refer to is the speed of free fall IN A VACUUM - read a little further down on the same page, under...

"Falling with Air Resistance
As an object falls through air, it usually encounters some degree of air resistance. Air resistance is the result of collisions of the object's leading surface with air molecules. The actual amount of air resistance encountered by the object is dependent upon a variety of factors. To keep the topic simple, it can be said that the two most common factors that have a direct affect upon the amount of air resistance are the speed of the object and the cross-sectional area of the object. Increased speeds result in an increased amount of air resistance. Increased cross-sectional areas result in an increased amount of air resistance."

Then click on the animation right under it.

Do you really think an elephant falls at the same speed as a mouse?

The terminal speed of a 30 cal bullet has been measured at ~150 to 175 fps, by the military thousands of times.
DO you really think the terminal speed of a 200 pound artillery shell is 150 fps?

Are you out of your mind - how stupid can you be??


. You are so easy it's not even fun. Open your mouth so I can get the hook out.
 
Originally Posted By: CatShooterOriginally Posted By: BangPop
CatShooter said:
Mike21 said:
A bullet fired straight up into the air will reach a peak of 0 fps. As it begins the return to the earth there is nothing but gravity causing its return.

The fastest this bullet can travel is terminal velocity.

A bullet can travel very fast downward assuming it can be shot high enough in order to reach terminal velocity through all the atmospheric conditions.

All the theory based math equations are great, but they still dont trump basic high school science.
laugh.gif


Of course there are variables that come into play (height, and mass).


Your High Science teacher called, and left a phone message.

"Dear Michael. Please mail your high school diploma back at your earliest convince. We made a terrible mistake"

A 30 caliber bullet will reach ~ 150-160 fps, no matter how high it went,


.
Hey! I wasnt too far off with My 176 fps! I guess I didnt sleep entirely in skewl! lol
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