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Math summer project plz show how u found the answer. thanks

2007-06-24 12:17:18 · 9 answers · asked by Anonymous in Science & Mathematics Mathematics

9 answers

mi/hr x 5280ft/mi x hr/60min x min/60sec = ft/sec
everything else should be cancelled out except for ft/sec

2007-06-24 12:22:17 · answer #1 · answered by Carmen 4 · 0 0

1 mile = 5280 feet

1 hour = 60 minutes and 1 minute = 60 seconds, so
1 hour = 60 x 60 seconds = 3600 seconds

Multiply miles per hour by 5280 to get feet per hour.
Divide result by 3600 to get feet per second.

For example, 60 miles/hour = 60 x 5280 feet/hour =
316800 feet/hour = 316800 feet/3600 seconds =
88 feet/second.

Alternatively, you can just multiply miles per hour by 5280/3600, which is reduced to 22/15, or 1.46666666... in decimal form.

2007-06-24 20:36:15 · answer #2 · answered by Alan S 6 · 0 0

feet per second, fist you convert feet to miles (5280 ft equal a mile)

so multiply the feet by 5280

then convert second to hour (3600 seconds in a hour)
multiply the seconds by 3600

2007-06-24 19:23:12 · answer #3 · answered by Blaker Girl 3 · 0 0

multiply 5280 times MPH then divide that by 60 then 60 again

2007-06-24 19:24:07 · answer #4 · answered by wordoflifeb216 3 · 0 0

depends what you're looking for, but if you know that 1mile = 5280feet and 1 hour = 60 min= 3600sec, then using conversion you can figure out whatever you need

2007-06-24 19:27:03 · answer #5 · answered by YeLl_0 2 · 0 0

15 mph = 22 ft/sec.
Multiply by 22 and divide by 15.

2007-06-24 19:19:35 · answer #6 · answered by Anonymous · 1 0

Go to google search for speed conversions i.e. MPH to FPS. Type in your specific distances in MPH then press convert, and there you have it in FPS.

2007-06-24 19:20:54 · answer #7 · answered by Rpodnee 2 · 0 0

1mile=5280 feet
1 hour=60sec/min *60min/hr=3600seconds
1mile/1hour=5280feet/3600sec
=1.46666666ft./sec.

2007-06-24 19:31:46 · answer #8 · answered by jesem47 3 · 0 0

60mph=88ft/s.

2007-06-24 19:23:03 · answer #9 · answered by Anonymous · 0 0

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