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## Speed of sound

en.wikipedia.org/wiki/Speed_of_sound

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. In dry air at 20 °C (68 °F), the speed of sound is 343.2 metres per s...

## Why you DON'T want to break the sound barrier | Air gun blog ...

www.pyramydair.com/blog/2011/08/why-you-dont-want-to-break-the-sound-barrier/

Aug 23, 2011 ... This is why we do not want to shoot pellets at 1,000 f.p.s. Because 1,000 ... The usual speed of sound is given as about 1,125 f.p.s. when all ...

## How many feet per second is the speed of sound? - THR

and thus decreases with altitude in air. 761 mph is the speed of sound at sea level, but at 11000+ feet, it's 660 mph. I'm using the 761 mph ...

## Speed of sound in air temperature barometric pressure calculator ...

www.sengpielaudio.com/calculator-speedsound.htm

Speed of sound temperature air no barometric pressure calculation ... This also equates to 1235 km/h, 1125 feet per second (ft/s or fps), 666 knots, 767.3 miles

## Convert speed of sound to feet per second | speed and velocity ...

convert-to.com/conversion/speed/convert-speed-of-sound-to-ft-per-second.html

This on the web one-way conversion tool converts speed and velocity units from speed of sound ( sea level ) into feet per second ( ft/sec ) instantly online.

## How many FPS does it take.... - The Firing Line Forums

Does any physics guru here know how many FPS a projectile/bullet must .... FWIW the speed of sound is around 1100 FPS. the only way you ...

## Feet Per Second to Speed Of Sound In Air | Kyle's Converter

www.kylesconverter.com/speed-or-velocity/feet-per-second-to-speed-of-sound-in-air

Instantly Convert Feet Per Second (fps) to Speed Of Sound In Air (s) and Many More Speed Or Velocity Conversions Online. Feet Per Second Conversion Charts ...

## Supersonic Shots - Air Gun Information - Tripod

air_guns.tripod.com/supersonic_shots.htm

Yes, many magnum models have reached the 1,000 fps mark and when oiled can pass speeds of 1,200 fps. When you break the sound barrier a loud sound is  ...

## How fast does sound travel? - Indiana University Bloomington

www.indiana.edu/~emusic/acoustics/speed.htm

The speed at which sound propagates (or travels from its source) is directly influenced by both the medium through which it travels and the ... feet per second .

## Convert foot per second to mach (speed of sound) - speed converter

www.unitjuggler.com/convert-speed-from-fpsec-to-Ma.html

Convert speed units. Easily convert foot per second to mach (speed of sound), convert fps to Ma . Many other converters available for free.

The speed of sound varies depending on the temperature, pressure, and density of the medium through which the sound waves travel. For dry air at sea level at 68° F, the speed of sound is 767 miles per hour, or 1235 km/h

### Silent but deadly: Special forces seek quiet, subsonic bullets - CNN ...

www.cnn.com

Nov 21, 2012 ... For one, to keep a bullet from breaking the sound barrier -- 1,100 feet per second at sea level -- requires several trade-offs at higher calibers.

### Speed of Sound Calculator

www.srh.noaa.gov

Oct 1, 2009 ... The speed of sound is dependent on the density of the air...and the density of the air is ... What is the formula to calculate the speed of sound?

### How Far Away Is Lightning | Calculate Lightning Distance

www.livescience.com

Jun 25, 2013 ... ... miles per second (299,800 km/s), whereas the speed of sound is only about 1,088 feet per second (332 meters per second), depending on ...