DJTre

If you shot a bullet straight up in the air, how far up would it go?
How long would it take until it peaked and started on it's way down?

Don't ask...just curious

babyxtina

depends on how powerful the gun is..
haha
im new to this and your random question got my attention..

DJTre

just any gun, like a handgun or something.
i'm sure a shotgun would go crazy high

~Towelie~

babyxtina

hmmm.. if a regular hand gun is able to pierce thru a human head and land about 10-15 feet away.. it might fly straight up in the air without hittin anythin by at least 25-30 feet? im guessin

Cynikal.Mindset

well the bullet moves at around 700ft/sec and the average hand gun has a range of i dunno 1000ft or so...so it would go up 1000ft and come back down...so really the range of the gun determines how far it will go up then you gotta take the height and factor in gravity to figure out how long its gonna take to come back down

babyxtina

damn i feel dumb
i was going by what i was reading in a book by patricia cornwell..
my badd

cibs

sure it lands 15 feet away from the head it just peirced, but the two peices of skull it just went thru slowed it down a bit, and made it less aerodynamic than when it came out of the gun...

it all depends on the type of bullet for how far it goes thru the object... if it's hollow point.. it won't go too far, but will take a **** load of the object with it...

i always wondered if anyone had ever been killed by somone firing a bullet up in the air and then it hit someone on it's descent... lol now that's a random question

The G2 Racer

Couldn't the bullet come back down and still hurt or kill?
Now there's a question.

cibs

you're one minute too late anthony... question's been asked!! loli know you're a minute man but really!

babyxtina

actually yeah it descending bullet could potentially hurt or kill someone.. cuz what goes up must come down..
it was on an episode of C.S.I..

The G2 Racer

How would you know if I'm a minute man

You just hit the send button before me

cibs

haven't u heard? the words out.. has been for a while..

BOND007 told me so...

The G2 Racer

cibs

so... come one someone... anyone heard of, or found a case where this happened?? what about tiny meteors... or someone dropping a penny off the CN tower or some crazy height... or a part falling off a plane..


hahaha man it's almost 1:30am and i'm so not tired...

Bliss

where do babies come from?

imported_gatherer

ok assuming 700ft/sec (210 m/sec)velocity exiting the gun

and a deceleration due to gravity at 9.8m/sec(squared)

so let d be the distance travelled till it reachs a speed of 0
and let v1 be the starting velocity (210 m/sec)
and let v2 be the final velocity (0m/sec)
and let t be the time to reach v2

so 210m/sec = 9.8*t

so t = 210/9.8

t=21.428 seconds (time to reach 0 velocity)

so d=v1t - (1/2)at^2

so that works out too

d= 210(21.428) - 9.8(21.428^2)/2

so thats

d = 2249.999 m

thats going striaght into the air..

and since we know accleration is 9.8m/s/s

the time it takes to hit the ground can be found using

d=1/2att

so thats 2d=att

and works out to 2d/a=tt

so thats t^2 = 459.183

and so t= 21.428

and so it'll take 42.856 seconds from the time you fire the gun into the air for you to be hit by the bullet on it's way down...

ofcourse this math doesn't take into account wind speed and air resistance of the bullet... and using the starting speed Cynical posted...

imported_gatherer

thats a tough one I think it requires a demostration

bbarbulo

iTrader: (2)

gatherer is the man!!

imported_gatherer

I loved Kinematics in grade 12 and OAC physics... loved how easy the calculations are!..

so yeah the bullet when it comes back down (ignoring air resistance and winds ofcourse) would be moving at 210 m/sec and therefore most likely kill you ....