Murrr Posted December 17, 2009 Report Share Posted December 17, 2009 Man, this has turned into some Schrodinger's Cat shit. Love it. Quote Link to comment Share on other sites More sharing options...
paranoid Posted December 17, 2009 Report Share Posted December 17, 2009 Regarding shooting a straight line - providing there is no resistance etc, wouldnt the bullet just keep moving?The rifle has given the bullet momentum - which projects the bullet - there is nothing to stop the momentum so it would just keep going right?whats the physics term? The momentum won't stop until an equal and opposing force stops it? Something like that.Gravity is going to pull the bullet down towards the ground though. You would need to be up with satellites for the bullet to "fall" round the curve of the earth without eventually being dragged in close enough to hit the ground. Quote Link to comment Share on other sites More sharing options...
Flash@TMB Posted December 17, 2009 Report Share Posted December 17, 2009 If you shot a bullet in the air, if all the variables are perfect, then you'd shoot yourself in the foot. The speed at which the bullet would fall to the ground would see to that, wouldn't it?EDIT: forgot about the world turning. This is what happens when you read a post, post your own then realise you missed the next page of posts.The world turning would have no effect as you would be turning with the world as would the bullet as it left the gun, as would the air around it. The world actually turns at a fair old lick (the circumference of the earth in 1 day), so we know this is true because if we jump up in the air we land in the same place!Air friction and gravity would slow the bullet down until it stopped. At this point the bullet might start to tumble over 180 degrees due to aerodynamics. The bullet would then accelerate in the other direction, probably to around 120mph before gravity was offset by air resistance.If all variables were perfect (gun held exactly vertical, zero wind, perfectly formed bullet) then the bullet would re-enter the gun barrel (although possibly pointing the other way round).Unless you farted and moved the gun. Quote Link to comment Share on other sites More sharing options...
WoodyRATM Posted December 17, 2009 Report Share Posted December 17, 2009 Nah i know the bullet would obv stop - but i meant in an "ideal" world - like where there was no forces acting upon it.I want to know how they test the range on these weapons... Surely the 1.5 miles in the case of that sniper rifle would be the ultimate range in "normal" conditions?This thread is like that thing on brainiac - things that make you go hmm. Quote Link to comment Share on other sites More sharing options...
paranoid Posted December 17, 2009 Report Share Posted December 17, 2009 if we jump up in the air we land in the same place!But you don't jump with a force equal to the muzzle velocity of a rifle, up through the low pressure that is found not too far up in the atmosphere though, so that doesn't really act as proof for the theory though. Quote Link to comment Share on other sites More sharing options...
ca_gere Posted December 17, 2009 Report Share Posted December 17, 2009 Nah i know the bullet would obv stop - but i meant in an "ideal" world - like where there was no forces acting upon it.I want to know how they test the range on these weapons... Surely the 1.5 miles in the case of that sniper rifle would be the ultimate range in "normal" conditions?This thread is like that thing on brainiac - things that make you go hmm. Ah... I was still basing my question in the 'real' world. You're talking vaccums and zero gravity... its a fucking free for all with that shit. Not a clue. Quote Link to comment Share on other sites More sharing options...
Flash@TMB Posted December 17, 2009 Report Share Posted December 17, 2009 Nah i know the bullet would obv stop - but i meant in an "ideal" world - like where there was no forces acting upon it.I want to know how they test the range on these weapons... Surely the 1.5 miles in the case of that sniper rifle would be the ultimate range in "normal" conditions?This thread is like that thing on brainiac - things that make you go hmm. The projectiles utimate range (on earth) occurs when it is fired at a 45 degree angle. The is different from it's maximum effective range which most likely uses a flatter trajectory. The max effective range is the range at which it's possible to both hit and damage the target. Quote Link to comment Share on other sites More sharing options...
Flash@TMB Posted December 17, 2009 Report Share Posted December 17, 2009 Nah i know the bullet would obv stop - but i meant in an "ideal" world - like where there was no forces acting upon it.If there were no forces acting on it (other than the force that launched it), then it's range would be infinite. Quote Link to comment Share on other sites More sharing options...
Teabags Posted December 17, 2009 Report Share Posted December 17, 2009 but i meant in an "ideal" world - like where there was no forces acting upon it.That's your ideal world? No gravity? Air? Wind?How the fuck would you have sex? You'd get no purchase! Quote Link to comment Share on other sites More sharing options...
ca_gere Posted December 17, 2009 Report Share Posted December 17, 2009 The world turning would have no effect as you would be turning with the world as would the bullet as it left the gun, as would the air around it. The world actually turns at a fair old lick (the circumference of the earth in 1 day), so we know this is true because if we jump up in the air we land in the same place!Air friction and gravity would slow the bullet down until it stopped. At this point the bullet might start to tumble over 180 degrees due to aerodynamics. The bullet would then accelerate in the other direction, probably to around 120mph before gravity was offset by air resistance.If all variables were perfect (gun held exactly vertical, zero wind, perfectly formed bullet) then the bullet would re-enter the gun barrel (although possibly pointing the other way round).Unless you farted and moved the gun.Was hoping you'd get in amongst. You seem to know your science. The reference to Keppler's 3rd law of fart dynamics I particularly admired. Quote Link to comment Share on other sites More sharing options...
Teabags Posted December 17, 2009 Report Share Posted December 17, 2009 You're talking vaccums and zero gravity... its a fucking free for all with that shit.I actually burst out laughing when I read that. Quote Link to comment Share on other sites More sharing options...
paranoid Posted December 17, 2009 Report Share Posted December 17, 2009 That's your ideal world? No gravity? Air? Wind?How the fuck would you have sex? You'd get no purchase!"You must whore around rep...." Quote Link to comment Share on other sites More sharing options...
ca_gere Posted December 17, 2009 Report Share Posted December 17, 2009 That's your ideal world? No gravity? Air? Wind?How the fuck would you have sex? You'd get no purchase!Sting would manage. Quote Link to comment Share on other sites More sharing options...
Hog Posted December 17, 2009 Report Share Posted December 17, 2009 But that would still be effective range, so the bullet can travel for 1 1/2 miles and still have enough force to penetrate. The aiming slightly above will have to do with curvature of the earth. If it's still effective at 1.5 miles, then surely the bullet could actually travel for abotu 4 miles before coming to an unimpeded stop.Very true. Quote Link to comment Share on other sites More sharing options...
Teabags Posted December 17, 2009 Report Share Posted December 17, 2009 Sting would manage.That man is fucking ineffable. Quote Link to comment Share on other sites More sharing options...
Flash@TMB Posted December 17, 2009 Report Share Posted December 17, 2009 That's your ideal world? No gravity? Air? Wind?How the fuck would you have sex? You'd get no purchase!Pick a fat hairy chick and cover her in syrup? Quote Link to comment Share on other sites More sharing options...
Teabags Posted December 17, 2009 Report Share Posted December 17, 2009 Holy shit this thread is excellent. Its managed to stay on topic while swinging between firing bullets perpindicular to the ground and fat chicks drenched in syrup. Awesome possum. Quote Link to comment Share on other sites More sharing options...
Adam Easy Wishes Posted December 17, 2009 Report Share Posted December 17, 2009 Pick a fat hairy chick and cover her in syrup?It's your knees you need syrupised. Quote Link to comment Share on other sites More sharing options...
Teabags Posted December 17, 2009 Report Share Posted December 17, 2009 I've been thinking about it, and syrup is going to make no difference. Its te initial interaction that's the problem. Once you've grabbed on, you can just go for it fibonacci style, just don't fucking let go. Quote Link to comment Share on other sites More sharing options...
Flash@TMB Posted December 17, 2009 Report Share Posted December 17, 2009 It's your knees you need syrupised.No (clearly you're a text book rider).Next time you need to fuck someone in outer space, use the spoon position and interlock your legs. No floor required that way.If you pick a fat hairy chick then you can hang onto her folds, and the hair will give you purchase. You use the syrup to counteract the effects of sweat. Quote Link to comment Share on other sites More sharing options...
ca_gere Posted December 17, 2009 Report Share Posted December 17, 2009 How does the body function differently in zero gravity? Does the blood pump around the body in the same way? etc. I.e. does the body depend on gravity in any way? When you hold your arm above your head for long enough you get pins and needles, presumably this wouldn't happen in space. Quote Link to comment Share on other sites More sharing options...
soundian Posted December 17, 2009 Report Share Posted December 17, 2009 Simple secondary school physics and the muzzle velocity of the rifle should give you an answer if you ignore air resistance. The bullet will take the same amount to time to hit the ground if you just drop it from the same height as the barrel. or, put it another way: t=sqrt(2d/g) where d is the distance to the ground and g is the acceleration due to gravity. Multiply muzzle velocity by time and there you go. Job done. As for firing it straight up in the air: this has been tried several times as an experiment. Very few bullets came back anywhere near the firing spot. Funny thing though, it seems bullets are more stable going arse first so they don't normally turn round on the way back down, as you'd expect them to. Quote Link to comment Share on other sites More sharing options...
Old Gold Posted December 17, 2009 Report Share Posted December 17, 2009 Genius. You could even eat the syrup in space afterwards, as the corner shop would be fucking miles away. Quote Link to comment Share on other sites More sharing options...
ca_gere Posted December 17, 2009 Report Share Posted December 17, 2009 Genius. You could even eat the syrup in space afterwards, as the corner shop would be fucking miles away.Space has no corners, it's donut shaped. Or something. Quote Link to comment Share on other sites More sharing options...
Old Gold Posted December 17, 2009 Report Share Posted December 17, 2009 With no variable factors could one theoretically fuck space in it's donut hole? 1 Quote Link to comment Share on other sites More sharing options...
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