converting mph to fps

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converting mph to fps

Postby miquel » Wed Jun 22, 2005 5:48 am

how do u get 20mph to feet per second? please give answer!
miquel
 

Postby Guest » Wed Jun 22, 2005 7:41 am

20 mi/h x 5280 ft/1 mi x 1 hr/3600 s = 29.33 ft/s

note that 5280/3600 reduces to 22/15 and 22 fps/15 mph can be used directly as a conversion constant.
Guest
 

Postby Guest » Sat Jul 16, 2005 9:57 pm

[quote="Anonymous"]20 mi/h x 5280 ft/1 mi x 1 hr/3600 s = 29.33 ft/s

note that 5280/3600 reduces to 22/15 and 22 fps/15 mph can be used directly as a conversion constant.[/quote]

should that be a division and not multiplication
Guest
 

Postby Guest » Sat Jul 16, 2005 10:43 pm

No, it should not. Write all the divisions (/) as fractions above and below a big horizontal bar. You'll better be able to see the unit cancellation that makes it all work out. The "slashes" make it hard to follow.
Guest
 

Re: converting mph to fps

Postby Ken Chevy » Mon Sep 26, 2005 12:02 pm

miquel wrote:how do u get 20mph to feet per second? please give answer!


Just DIVIDE any MPH by .6818181818 and it will be FPS

Try it: 60MPH / .6818181818 = 88FPS

20MPH / .6818181818 = 29.33FPS
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Postby guest » Thu Jan 19, 2006 8:24 pm

or you could multipy MPHx1.467
guest
 

Postby Guest » Wed Aug 09, 2006 6:23 pm

1 mph = 1.609 kph = 1.467 fps
Guest
 

Postby Guest » Sun May 13, 2007 10:01 pm

so how do u convert fps to mph?

just DIVIDE any MPH by .6818181818 and it will be FPS
says ken chevy

so do multiply by .6818181818?

pls answer!
Guest
 

Postby Guest » Sun Apr 27, 2008 12:48 am

yea just multiply and you get from fps to mph
Guest
 

It can be easier to calculate FPS

Postby Panthercity » Mon Jan 05, 2009 10:23 pm

divide mph by 15 and multiply the product by 22...done.


MPH/15x22=FPS
Panthercity
 


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