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How many feet per second does a 9MM bullet travel?

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1100 or so
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How many feet per second traveling at 125 mph?

125 mph = 183.33 feet per second.

How many feet per second are you traveling at 30 mph?

To convert mph to feet per second, always multiply mph by 22/15. As an extension, to convert mph to feet per minute, always multiply mph by 88. To answer your question, (30) x

How many feet per second does sound travel?

1100 feet Update: You're just about right. Technically, though, it's a little over: 761 miles = 4018080 feet 1 hour = 3600 seconds ~1116 constitutes supersonic flight

How many feet do sound waves travel per second?

  At sea level in air sound travels approximately 1125 ft/s, however it changes depending on the material in which it travels. For instance, it travels faster in water.