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February 28, 2015

Posted by **Yvonne** on Sunday, September 21, 2008 at 9:11pm.

- college physics -
**bobpursley**, Sunday, September 21, 2008 at 10:03pm1m/s * 1mile/1609meters * 60sec/min * 60min/hr

1m/s= 3600/1609 miles/hr

- college physics -
**Count Iblis**, Sunday, September 21, 2008 at 10:04pm1 mile = 1609.344 meters

1 hour = 3600 seconds

1 mile/hour =

1609.344 meters/(3600 seconds) =

1609.344/3600 meters/second =

0.44704 meter/second

This means that

1 meter /second =

1/(0.44704) miles/hour =

2.236936 miles/hour

- college physics -
**DrBob222**, Sunday, September 21, 2008 at 10:08pmHere are some factors you may need.

There are 60 seconds in 1 minute.

There are 60 minutes in 1 hour.

There are 3.2808 feet in a meter.

There are 5,280 feet in a mile.

Now put all this together. Just remember that the factor must be placed in such a way so as to cancel the unit you don't want to keep and leave the unit you want to keep.

1 m/s x (60 s/1 min) x (60 min/1 hr) x (3.2808 feet/1 m) x (1 mile/5,280 feet)= ??

Note that m in numerator of first term cancels with m in the denominator of fourth term, s in first terms cancels with s in the second term, min in second term cancels with min in third term, feet in fourth term cancels with feet in the fifth term. The only units left are miles in fifth term and hour in the third term. Check my work. You can check your answer by going to google and typing in 1 meter per second to miles per hour and hit the enter key. You should get 2.2369 something mph for the answer if I didn't goof.

Check my thinking.

- college physics -
**barrie**, Monday, January 23, 2012 at 4:35pmWhat is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.

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