If you drop a bullet and fire a bullet at the same time

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  • theking
    Nice Kitty
    • Sep 2002
    • 21053
    #1

    If you drop a bullet and fire a bullet at the same time

    ...which will hit the ground first?

    Well...according to this...

    "If you shot a gun and dropped a bullet at the same time, how could they land at the same time? Wouldn't the acceleration behind the bullet keep it in the air longer?

    If you shot the bullet horizontally, it really would hit the ground at the same time as the bullet you simply dropped. During the firing, the bullet would accelerate like crazy, but only horizontally. It would leave the gun with a velocity that was only in the horizontal direction. With no forces pushing on it horizontally after that (we'll neglect air resistance), the bullet will make steady progress downfield. But at the same time, it will begin to fall. The vertical component of its velocity will gradually increase in the downward direction as it falls. Like the dropped bullet, it will drift downward faster and faster and the two will hit the ground together."

    http://howthingswork.virginia.edu/falling_balls.html

    I didn't know this. Did you know this?
    When you're running down my country hoss...you're walking on the fighting side of me!

    FOR THE LYING LOWLIFE POSTING AS PATHFINDER...http://gfy.com/fucking-around-and-pr...athfinder.html
    Tags: None
    • detoxed
      vip member
      • Jan 2003
      • 17798
      #2
      Well technically the ground where the fired bullet fell would have to be exactly the same altitude as the spot it was fired from. If it was higher or lower than the answer would change accordingly.

        Comment

        • - Jesus Christ -
          Confirmed User
          • Mar 2003
          • 7197
          #3
          Welcome to 5th grade

          Amen

            Comment

            • psyko514
              See sig. Join Epic Cash.
              • Oct 2002
              • 22366
              #4
              Originally posted by - Jesus Christ -
              Welcome to 5th grade
              Mr Jesus Knowitall.

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                • Fletch XXX
                  GFY HALL OF FAME DAMMIT!!!
                  • Jan 2002
                  • 60840
                  #5
                  fun with facts night



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                    • Mr Pheer
                      So Fucking Banned
                      • Dec 2002
                      • 22082
                      #6
                      Originally posted by theking
                      I didn't know this. Did you know this?
                      Yes I knew this. Thats why sniper scopes have adjustments for range. Gravity does not vary, it is constant.

                        Comment

                        • theking
                          Nice Kitty
                          • Sep 2002
                          • 21053
                          #7
                          Originally posted by MrPheer


                          Yes I knew this. Thats why sniper scopes have adjustments for range. Gravity does not vary, it is constant.
                          I am fully aware of range, elevation, windage etc. I was not aware that if I drop a bullet from my hand, it and the fired bullet are going to drop at the exact same rate.
                          Last edited by theking; 04-22-2003, 11:45 PM.
                          When you're running down my country hoss...you're walking on the fighting side of me!

                          FOR THE LYING LOWLIFE POSTING AS PATHFINDER...http://gfy.com/fucking-around-and-pr...athfinder.html

                            Comment

                            • Mr Pheer
                              So Fucking Banned
                              • Dec 2002
                              • 22082
                              #8
                              Unless the bullet has an airfoil, like the shape of an airplane's wing, it has no way to generate lift. Therefore, it is constantly falling.

                                Comment

                                • kad
                                  Confirmed User
                                  • Feb 2003
                                  • 735
                                  #9
                                  What part of



                                  do you not understand?
                                  lol internet.

                                    Comment

                                    • 4Pics
                                      Confirmed User
                                      • Dec 2001
                                      • 7952
                                      #10
                                      I thought they had to be in a vaccum to be the same?

                                      Otherwise other factors could alter which is first?

                                        Comment

                                        • theking
                                          Nice Kitty
                                          • Sep 2002
                                          • 21053
                                          #11
                                          Originally posted by 4Pics
                                          I thought they had to be in a vaccum to be the same?

                                          Otherwise other factors could alter which is first?
                                          Well...in a vaccum I think an object in motion would remain in motion. Someone will correct me if I am wrong.
                                          When you're running down my country hoss...you're walking on the fighting side of me!

                                          FOR THE LYING LOWLIFE POSTING AS PATHFINDER...http://gfy.com/fucking-around-and-pr...athfinder.html

                                            Comment

                                            • SothArtist
                                              Registered User
                                              • Oct 2002
                                              • 366
                                              #12
                                              Originally posted by kad
                                              What part of



                                              do you not understand?


                                              I'm just a designer

                                                Comment

                                                • Libertine
                                                  sex dwarf
                                                  • May 2002
                                                  • 17860
                                                  #13
                                                  If you do not know this, you have a very strong case for a lawsuit against your old highschool.
                                                  /(bb|[^b]{2})/

                                                    Comment

                                                    • asuna
                                                      Confirmed User
                                                      • May 2002
                                                      • 8743
                                                      #14
                                                      Originally posted by punkworld
                                                      If you do not know this, you have a very strong case for a lawsuit against your old highschool.
                                                      I'm filling suit right now

                                                        Comment

                                                        • jimmy3way
                                                          Confirmed User
                                                          • Sep 2001
                                                          • 2508
                                                          #15
                                                          No I didn't know this!!

                                                          When I was ten.
                                                          One thing, I forgot this last detail: the Biz Markie will always prevail.

                                                            Comment

                                                            • Devils_Child
                                                              Confirmed User
                                                              • Jul 2002
                                                              • 534
                                                              #16
                                                              interesting... I personaly never paid any attention in school... Nor did I care at that time... School was a waist of time back then...

                                                              But good to know...
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                                                                • SR
                                                                  Confirmed User
                                                                  • Jul 2001
                                                                  • 2239
                                                                  #17
                                                                  In a vacuum this is true but not in the open air.
                                                                  In a vacuum a piece of dust or a bullet dropped at the same time would hit the floor at the same time.

                                                                    Comment

                                                                    • gothweb
                                                                      Confirmed User
                                                                      • Jun 2002
                                                                      • 8849
                                                                      #18
                                                                      Think of it as a vector. Of course the bullet fired from a gun is moving faster... But almost all of that is horizontal.

                                                                      Why would pushing something to the left cause it to fall faster? There is still only one force bringing it down-- gravity.

                                                                      In fact, I think in atmosphere, the bullet fired from a gun drops slightly more slowly due to the bernuilli effect. It's speed keeps it aloft like an airplane.

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                                                                        • Baal
                                                                          Confirmed User
                                                                          • Jan 2002
                                                                          • 696
                                                                          #19
                                                                          Originally posted by gothweb
                                                                          In fact, I think in atmosphere, the bullet fired from a gun drops slightly more slowly due to the bernuilli effect. It's speed keeps it aloft like an airplane.
                                                                          Actually, an airplane uses lift, an effect caused by the top and bottom of it's wing being a different shape. A rifled bullet is always spinning, so there is no constant top and bottom, so it cannot create any lift, nor can it acheive any constant lifting benefit from the atmosphere it travels through.

                                                                          The Bernoulli Effect, Raw and Uncensored!

                                                                          If a bullet didn't spin, and if it had a shape that took advantage of the Bernoulli effect, it could indeed maintain a constant altitude for awhile... assuming that wind and pressure/temperature variations don't exist, which isn't usually the case.

                                                                          Yeah, I think too much.

                                                                            Comment

                                                                            • fnet
                                                                              Confirmed User
                                                                              • Jul 2002
                                                                              • 1721
                                                                              #20
                                                                              Ok even with the bullet fired in a void atmosphere there are still two tiny unaccounted deltas:

                                                                              Time in the barrel.

                                                                              The distance between the ground and the bullet is affected by the trajectory path being initally straight, and curving with gravity over time, resulting in an ever so slightly wider curve than would result if the trajectory path were curved like the earth's surface.
                                                                              the sound of one hand googlewhacking

                                                                                Comment

                                                                                • Jakke PNG
                                                                                  ex-TeenGodFather
                                                                                  • Nov 2001
                                                                                  • 20306
                                                                                  #21
                                                                                  Youd have to fire it exactly horizontally, and drop the other bulled exactly the same time the other bullet leaves the barrell.. not counting nature here.
                                                                                  ..and I'm off.

                                                                                    Comment

                                                                                    • DrewKole
                                                                                      Confirmed User
                                                                                      • Jul 2001
                                                                                      • 5193
                                                                                      #22
                                                                                      Yet another boring thread.

                                                                                      I thought it was about you accidentally loading one of your guns, and shotting yourself in the head.

                                                                                      Get our hopes up why dont ya Pathfinder.

                                                                                        Comment

                                                                                        • theking
                                                                                          Nice Kitty
                                                                                          • Sep 2002
                                                                                          • 21053
                                                                                          #23
                                                                                          Originally posted by DrewKole
                                                                                          Yet another boring thread.

                                                                                          I thought it was about you accidentally loading one of your guns, and shotting yourself in the head.

                                                                                          Get our hopes up why dont ya Pathfinder.

                                                                                          I will not have intercourse with pricks, drugged out kids, or the plumb dumb.
                                                                                          When you're running down my country hoss...you're walking on the fighting side of me!

                                                                                          FOR THE LYING LOWLIFE POSTING AS PATHFINDER...http://gfy.com/fucking-around-and-pr...athfinder.html

                                                                                            Comment

                                                                                            • ServerGenius
                                                                                              Confirmed User
                                                                                              • Feb 2002
                                                                                              • 9377
                                                                                              #24
                                                                                              This would work only in a vacuum, because of the airstream the
                                                                                              bullet creates lift and will fly longer. Throw a frizbee or drop it
                                                                                              in our atmosphere if you throw it it flies longer in a vacuum not.

                                                                                              DynaMite
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                                                                                                Comment

                                                                                                • AdultNex
                                                                                                  Confirmed User
                                                                                                  • Feb 2003
                                                                                                  • 8985
                                                                                                  #25
                                                                                                  Yes, I knew that.

                                                                                                  Did you pay attention to Physics class at all?

                                                                                                    Comment

                                                                                                    • asuna
                                                                                                      Confirmed User
                                                                                                      • May 2002
                                                                                                      • 8743
                                                                                                      #26
                                                                                                      Originally posted by MrKain
                                                                                                      interesting... I personaly never paid any attention in school... Nor did I care at that time... School was a waist of time back then...

                                                                                                      But good to know...
                                                                                                      That's why you spell it waist and not waste

                                                                                                        Comment

                                                                                                        • Toker
                                                                                                          Confirmed User
                                                                                                          • Feb 2003
                                                                                                          • 891
                                                                                                          #27
                                                                                                          Originally posted by theking
                                                                                                          ...which will hit the ground first?

                                                                                                          Well...according to this...

                                                                                                          "If you shot a gun and dropped a bullet at the same time, how could they land at the same time? Wouldn't the acceleration behind the bullet keep it in the air longer?

                                                                                                          If you shot the bullet horizontally, it really would hit the ground at the same time as the bullet you simply dropped. During the firing, the bullet would accelerate like crazy, but only horizontally. It would leave the gun with a velocity that was only in the horizontal direction. With no forces pushing on it horizontally after that (we'll neglect air resistance), the bullet will make steady progress downfield. But at the same time, it will begin to fall. The vertical component of its velocity will gradually increase in the downward direction as it falls. Like the dropped bullet, it will drift downward faster and faster and the two will hit the ground together."

                                                                                                          http://howthingswork.virginia.edu/falling_balls.html

                                                                                                          I didn't know this. Did you know this?
                                                                                                          Because of the shape of the earth the bullet fired would be farther from the ground when it fell even tho very little!
                                                                                                          PeaceAlive and kicking

                                                                                                            Comment

                                                                                                            • buddyjuf
                                                                                                              #28
                                                                                                              yes, its quite true.
                                                                                                              the only thing that would prevent this from happening would be the "holding" of the air, wich is how airplanes work...

                                                                                                              since the bullet is has a very aerodynamic shape, the "holding" of the air will almost not affect it at all.

                                                                                                              remember, the only forces that makes something hit the ground are gravity and the "holding" of air. if the 2nd one dies, then its the same thing as just dropping the bullet

                                                                                                                Comment

                                                                                                                • Mr Pheer
                                                                                                                  So Fucking Banned
                                                                                                                  • Dec 2002
                                                                                                                  • 22082
                                                                                                                  #29
                                                                                                                  Originally posted by DynaSpain
                                                                                                                  This would work only in a vacuum, because of the airstream the
                                                                                                                  bullet creates lift and will fly longer. Throw a frizbee or drop it
                                                                                                                  in our atmosphere if you throw it it flies longer in a vacuum not.

                                                                                                                  DynaMite
                                                                                                                  A spinning frisbee and a spinning bullet are totaly different. The frisbees using gyroscopic force (spinning) to keep it horizontal, while the forward motion, and the shape of the frisbee being curved across the top generates lift as it moves thru the air. A bullet spins on a different axis and does not have the lift generating curve to keep it aloft. I'm a pilot, dont argue this with me

                                                                                                                  Go throw a frisbee so that it spins on a vertical axis, and see how long it will fly. Not very far.

                                                                                                                    Comment

                                                                                                                    • buddyjuf
                                                                                                                      #30
                                                                                                                      Originally posted by MrPheer


                                                                                                                      A spinning frisbee and a spinning bullet are totaly different. The frisbees using gyroscopic force (spinning) to keep it horizontal, while the forward motion, and the shape of the frisbee being curved across the top generates lift as it moves thru the air. A bullet spins on a different axis and does not have the lift generating curve to keep it aloft. I'm a pilot, dont argue this with me

                                                                                                                      Go throw a frisbee so that it spins on a vertical axis, and see how long it will fly. Not very far.

                                                                                                                      nice to meet you, pilot

                                                                                                                        Comment

                                                                                                                        • iroc409
                                                                                                                          Confirmed User
                                                                                                                          • Jan 2003
                                                                                                                          • 4728
                                                                                                                          #31
                                                                                                                          Originally posted by MrPheer


                                                                                                                          The frisbees using gyroscopic force (spinning) to keep it horizontal, while the forward motion, and the shape of the frisbee being curved across the top generates lift as it moves thru the air.
                                                                                                                          haha... i know that's how it works, but i've never heard anyone describe the flight of a frisbee with such detail.
                                                                                                                          <a href="http://www.iroc409.com/"><img src="http://www.iroc409.com/adv/120x60.gif" border=0></a>


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                                                                                                                            • foe
                                                                                                                              Confirmed User
                                                                                                                              • May 2002
                                                                                                                              • 5246
                                                                                                                              #32
                                                                                                                              go back to high school

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