Hence time taken to fall 1 metre is 0. If you don't know the energy of your rifle, you can either calculate it above, or use 1J as the limit for AEG's, and 2. You can use this small javascript form to calculate your theoretical effective range. Please note this ignores a lot of physical factors, and assumes a firing height of 1 metre off the ground, and assumes that you are firing over a level "range".
Results: all to 2 SF. Muzzle velocity. Effective range. A greyhound would complete that same race in 5. Is 17 mph fast for a human? If you can hold it for a mile, you can run a mile. That pace has you running a Jacobs ran the best m race of his life, posting a personal best time of 9.
Save my name, email, and website in this browser for the next time I comment. Press ESC to close. How many feet is 45 mph? Wikipedikia Editors 4 Min Read. Table of Contents. Measurement , science. Tagged in: mph to ft per second. Sort Order: Closest first Highest first Lowest first. It's about four-fifths as fast as The Speed of Sound In other words, feet per second is 0. Source Link Mistakes? It's about seven-tenths as fast as a Bullet Handgun In other words, feet per second is 0. It's about two-fifths as fast as a Jet Fighter In other words, feet per second is 0.
It's about two-and-a-half times as fast as a Peregrine Falcon In other words, feet per second is 2. It's about three times as fast as a Porsche In other words, feet per second is 3 times the speed of a Porsche , and the speed of a Porsche is 0.
It's about three times as fast as an Arrow archery In other words, feet per second is 3. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 4, feet per second to 5, feet per second in water, depending on its salinity.
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