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# How would you convert 40.32 km/hr to m/sec - Office Equipment & Supplies

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There are 1000 m in a km and 3600 sec in an hr. Thus, multiplying 40.32 km/hr by 1000 m/km gives 40320 m/hr. Dividing this by 3600 sec/hr gives 11.2 m/sec.

Of course, the two operations can be done in the other order.

Some calculators have unit conversions built-in. Without knowing the make and model of your calculator, I can't tell you whether yours does so or not, let alone tell you the keystroke sequence to do it.

Posted on Jun 09, 2011

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Kilometers per Hour km/h: 40.32
Meters per Second m/s: 11.20
Feet per Second ft/s: 34.14
Miles per Hour MPH: 25.05
Nautical Miles per Hour Knots: 21.77

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Posted on Jun 09, 2011

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## Related Questions:

### If 360 km per hour is equal to 40 miles per hour, please show me how to calculate using formular

360 km/hr is NOT 40 miles/hr.
1 mile is about 1.6 km
To go from km to miles, multiply by 0.62
To go from miles to km, multiply by 1.6

Kilometers per hour to Miles per hour

Feb 23, 2017 | Cars & Trucks

Tip

### TACHYMETER/TACHOMETER - how to use it.

Many of watch brands has outer bezel ring calibrated as TACHYMETER/ TACHOMETER. In simple words this is SPEEDOMETER on your wrist, like in your car. The only difference is: it does not work automatic, but you have to have some maths basics in your brain to make work it.
The main thing is: As second is taken as measuring point (any wristwatch is moving sec by sec, min by min, hr by hr and so on), there is no actual possibility to measure speeds less than 60 km/h. This is because our time is divided to hours, minutes and seconds (1 hr=60 mins= 3600 secs), but ordinary watch on your wrist can't count smaller than a second, so, the starting point still is 60 for the majority.
The best watch tachymeters are producing/manufacturing BREITLING, as they have very long relationship with aviators all over the world. Braitling watches can count up to 1/10 of second.
OK, here is the link to learn basics of how to use tachymeter:
http://www.mydigitallife.info/2006/12/10/how-to-use-tachymeter-function-on-watch-bezel-usage-instruction-and-definition/

on Aug 06, 2010 | Watches

### Evaluate 88ft/sec*1mile/5,280ft*3,600sec/hr

Take it in two steps.

Multiply 88 ft / sec by 1 mi / 5280 ft to get 88 ft*mi / 5280 ft*sec. 88 / 5280 is 1 / 60 and ft*mi / ft*sec is mi / sec so it simplifies to 1 mi / 60 sec.

Multiply 1 mi / 60 sec by 3600 sec / 1 hr to get 3600 mi*sec / 60 sec*hr. 3600 / 60 is 60 and mi*sec / sec*hr is mi / hr so it simplifies to 60 mi / hr or 60 mph.

Mar 04, 2013 | Cars & Trucks

### Kilometers to miles perhour

Hi there:
To Convert km to miles just keep in mind that 1 kilometer = 0.621371192 miles

20 Km/Hr = 12.427 Miles/Hr

Thank you for using FixYa, have a nice day.

Aug 21, 2012 | Scion xB Cars & Trucks

### How do I convert 88ft/sec to mph?

It's a simple problem in dimensional analysis. There's 5280 feet in a mile and 3600 seconds in an hour.

(88 ft / sec) * (1 mi / 5280 ft) * (3600 sec / hr) = (60 mi / hr)

Or you can use the calculator's unit conversion facilities.

8 8 2nd [CONV] then select "SPEED" then "ft/s" then "mi/hr".

Oct 07, 2010 | Texas Instruments TI-85 Calculator

### When there is decrease of 5 km/hr in the usual uniform speed of train, it takes 4 hrs. more than the usual time for covering the distance of 400 km. Find the usual speed of the train.

Let X be the time taken when train is moving in its normal speed.

Y be the normal speed of the train.

Speed = distance/time

that is X = 400 / Y

or Y = 400 / X --------- (1)

When speed is decreased by 5 km/hr time increases by 4 hour

that is X + 4 = 400 / Y -5

= X + 4 = 400 X / 400 - 5X ( substitute Y = 400 /X we get this equation)

on solving we get 5X^2 + 20x - 1600 = 0

we get two solutions X = 16 and -20

-20 is neglected (time cannot be negative)

substitute X in equation (1)

Y = 400 / 16 = 25 km/hr

So normal speed of train is 25 km/hr.

Jun 02, 2010 | Vivendi Excel@ Mathematics Study Skills...

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