# How to express the speeds of bodies in meters per second: 90 km/h and 36 km/h?

As you may guess one thousand meters in one kilometer, and in one hour three thousand six hundred seconds. It remains only to wrinkle the brain and understand that to translate the speed of speed, it is enough to use the coefficient of 3.6, that is, dividing km/h by 3.6 we get m/s.

Respectively

90 km/h is 25 m/s

36 km/h is 10 m/s

Knowing that

1 km = 1000 m

1 hour = 3600 sec.

We substitute the corresponding new ones instead of the specified units of measurement, we have:

90 km/h = 90 000 m/3600 sec = 25 m/s.

36 km/hour = 36 000 m/3600 sec = 10 m/s.

Answer: 90 km/h = 25 m/s;36 km/hour = 10 m/s.

To express the speeds of bodies in meters per second specified in km/h, you need to transfer kilometers into meters (multiply by 1000), and the clock per second (multiply by 3600) and divide the amount of meters by the number of seconds: 90*1000/3600 = 25m/s, 36*1000/3600 = 10 m/s.

90 km / h = 90 * 1000 m / 60 * 60 sec = 90 000 m / 3600 sec = 25 m / s.

36 km /h = 36 * 1000 m /60 * 60 sec = 36 000 m /3600 sec = 10 m /s.

Comment: KM contains 1000 meters, so we need to multiply 90 km and 36 km by 1000 to transfer them to meters.

And in an hour 60 minutes, and in a minute 60 seconds, and we need to divide by 3600.
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