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11 answers

About 1100 fps. 1128 fps is the exact answer at sea level at 70 degrees F

2007-01-18 11:24:00 · answer #1 · answered by sandsunsurf 3 · 6 2

RE:
In Feet Per Second (FPS) how fast does a bullet have to go in order to break the sound barrier at sea level?

2015-08-04 14:45:09 · answer #2 · answered by Arnie 1 · 0 1

Speed Of Sound Fps

2016-10-06 00:21:58 · answer #3 · answered by mauzon 4 · 0 1

The real question you need to ask is what speed will the bullet be traveling when it hits the target. The moment the bullet leaves your barrel, it will start slowing down. The key is to have a bullet that is still supersonic when it hits the target. Transitioning to subsonic in flight will cause some instability in the bullet s path and will make it less accurate. Make sure you have a heavy-enough bullet with a large enough powder load to push that bullet all the way to the target and still be supersonic when it get there. Just don t overload and create overpressure situations in your rifle that would make it dangerous or cause undo stress and wear on your equipment.

2015-06-17 07:46:19 · answer #4 · answered by ? 1 · 1 2

feet fps fast bullet order break sound barrier sea level

2016-01-25 02:46:53 · answer #5 · answered by Allison 4 · 0 2

If the bullet is going the speed of sound it seems like the bullet and the sound would get there at exactly the same time. Not way before as some people might think. The problem with it going the speed of sound (770 MPH at sea level at 70 degrees F or 1129 feet per second) that really isn't that fast and will have a tendency to drop quickly in relation to its forward progress. In other words "AIM HIGH"

2007-01-18 12:45:47 · answer #6 · answered by ttpawpaw 7 · 1 5

Around 1150 fps

2014-03-18 16:00:05 · answer #7 · answered by Whatever dude 1 · 0 1

Around 1,130 fps at sea level.

2007-01-18 11:28:52 · answer #8 · answered by Venice Girl 6 · 4 0

Speed of sound at sea level with ambient temperature of 70 degrees Fahrenheit is 770 mph X 5280 feet per mile = 4,065,600 ft. per hour. divided by 60 =767760 feet per minute ,divided by 60 = 1129.3333 feet per second.

2007-01-21 17:38:54 · answer #9 · answered by luther 4 · 9 0

but a 5.56 caliber bullet travels at 2800 feet per second that is two and a half times the speed of sound or Mach 2.5

2014-04-04 12:54:44 · answer #10 · answered by Clephane 1 · 0 4

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