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The speed of sound depends on the density of the medium. In air, it depends on
the temperature, pressure, and humidity of the air.
A useful approximate number to remember is 343 meters (0.343 kilometer) per second.
Wiki User
∙ 12y ago
Wiki User
∙ 12y agohttp://www.Indiana.edu/~emusic/acoustics/speed.htm
That depends on the substance it's traveling through. In air, it depends on
the temperature, pressure, and humidity of the air.
A useful figure for normal atmospheric conditions, and easy to remember, is
343 meters per second = 0.343 kilometer per second
Wiki User
∙ 12y agoThere's a cool tool on the Georgia State Univ. Physics website. See Related Link.
Vsound approx equal to (331.4 + 0.6*Tc) m/c {Tc is the temperature in Celsius).
So at 0°C it is 331.4 m/s or 0.3314 kilometers per sec.
Wiki User
∙ 16y agoSpeed of sound at sea level = 1 225.044 kilometers / hr
Wiki User
∙ 13y agoIn dry air at 20 °C (68 °F), the speed of sound is1,236 kilometers per hour
Wiki User
∙ 15y agoIn SI units with dry air at 20 °C (68 °F), the speed of sound c = 343 m/s.
This also equates to 1235 km/h, 767 mph, or 1125 ft/s.
Wiki User
∙ 14y agoThe speed of Sound at Sea Level at 25 DEg C=330m/sec=0.33Km/sec
Wiki User
∙ 7y agoIn dry air at one bar, and 0 deg C it is 1193 km/hour.
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Speed of sound per hour?
343 m/s = 1,234.8 kilometers per hour = 767.3 miles per hour
What is the speed of sound in air per hour?
Speed of sound in air is sometimes quoted as 331 meters per second or something similar; but actually, the speed varies, depending on the temperature. If you want kilometers per hour, just multiply meters per second by 3.6.
How fast do sound waves travel in kilometers per hour?
Sound travels at 1,225.044 kilometers per hour at sea level.
What is the speed of an automobile in kilometers per hour if it is traveling 45 miles per hour?
72.4 kph
What is the average speed in kilometers per hour for a horse that gallops a distance of 15 km in a time of 30 min?
The horse travels 15 kilometers in 30 minutes, that is half an hour or 1800 seconds. so the average speed is15 / 0,5 = 30 km/h (kilometers per hour)or15000 / 1800 = 8,3 m/s (meters per second)
Speed of sound per hour?
343 m/s = 1,234.8 kilometers per hour = 767.3 miles per hour
What is the speed of light in kilometers per hour?
The speed of light is 1,079,252,848.8 kilometers per hour.
How fast is 75 kilometers?
75 kilometers is not a speed, it is a distance. A speed might be 75 kilometers per hour, 75 kilometers per day, or 75 kilometers per second.75 kilometers is not a speed, it is a distance. A speed might be 75 kilometers per hour, 75 kilometers per day, or 75 kilometers per second.75 kilometers is not a speed, it is a distance. A speed might be 75 kilometers per hour, 75 kilometers per day, or 75 kilometers per second.75 kilometers is not a speed, it is a distance. A speed might be 75 kilometers per hour, 75 kilometers per day, or 75 kilometers per second.
What is the speed of sound according to scientists?
The speed of sound in air is 344metres per second or 1238 kilometers per hour or 770 miles per hour. In water sound waves move much faster, but slower at higher altitudes.
How many km can a aeroplane fly?
twice the speed of sound (1400 miles per hour or 2250 kilometers per hour)! ...
What is the speed of sound in air per hour?
Speed of sound in air is sometimes quoted as 331 meters per second or something similar; but actually, the speed varies, depending on the temperature. If you want kilometers per hour, just multiply meters per second by 3.6.
Is speed an estimation often measured in kilometers per hour?
Speed is a rate often measured in kilometers per hour.
How fast do sound waves travel in kilometers per hour?
Sound travels at 1,225.044 kilometers per hour at sea level.
Which is the fastest speed 12 miles per hour or 19 kilometers per hour?
They are approximately the same speed. (12 mph = 19.312 kilometers per hour).
What is the speed in kilometers per hour of a train that travels3701 km in 87 hours?
The speed of the train is 42.5 kilometers per hour.
What is the speed 32 kilometers per hour?
32 kilometers per hour is the same as about 20 (19.88) miles per hour.
How many kilometers per hour are in the speed of light?
Light is so fast that it is usually expressed as about 300,000 kilometers per second. If you multiply that by 3600 seconds / hour, you get the speed in kilometers per hour.
