# How many feet per second when traveling at 9 mph?

9 miles/hour * (5280 feet/mile) * (1 hr/3600 s) = 13.2 ft/s

# How many feet per second when traveling 90 mph?

132 feet per second at 90 mph.

# What is the wavelength in feet of a 20 Hz sound wave traveling at 340 meters per second?

C=λv 340 m/s= 20 1/sec (λ) v= 17 m= ~56 ft

# How many feet per second does a bullet have to travel to be supersonic?

The dry air speed of sound is about 1125 FPS, so anything over that is considered supersonic.

# How many feet per second traveling at 125 mph?

125 mph = 183.33 feet per second.

# How many feet per seconds does light travel?

Light travels 186,282.397 miles per second. That is 983,571,056 feet per second.

# How many meters does sound travel per second?

340.29 meters per second at sea level.

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

Notice: The speed of sound changes with temperature and a little bit with humidity − but not with air pressure (atmospheric pressure). The words "sound pressure at… sea level" are incorrect and misleading. The temperature indication, however, is absolutely necessary. The speed of sound at 20 degrees Celsius (68 degrees Fahrenheit) is 343 meters per second. That is 1126.547 feet per second.

# How fast does a sound wave travel meters per second?

The speed of sound at sea level is 340.29 meters per second.

# How many feet per second do you have to travel to be going 65mph?

65 mph = 95.3 feet per second.

# If you traveling 60mph how many feet per second will you travel?

At 60 mph you are traveling at 88 feet per second.

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# How many feet per second am I traveling at 180mph?

At 180mph you are traveling at 264 feet per second.

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# How many feet per second do you travel to be going 70mph?

70mph is 102.667 feet per second.

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# How many feet per second traveling at 180mph?

180 mi/hr (5280 ft/1 mi)(1 hr/3600 sec.) = 264 feet per second ------------------------------

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# How many feet per second when traveling 85 mph?

1 mile = 5280 feet 1 hour = 3600 seconds 85 mph = 85*5280/3600 fps = 124.666666.... feet per second.

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# How many feet per second do sound waves usually travel?

1125