The speed limit on a motorway is 120 km per hour. What is this in SI units?

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3 October 2023 by alevelmechanics1.com

Intro:

In this numerical problem, we will be converting the speed limit from a motorway, which is typically measured in kilometers per hour (km/h), into the equivalent value in the International System of Units (SI units). The SI unit for speed is meters per second (m/s), so we will perform the necessary conversion to express the motorway speed limit in this standard scientific unit of measurement.

Solution:

Douglas Quadling Mechanics 1 
Exercise 1A Q7

scope:

The given numerical problem involves converting the speed limit on a motorway, which is in kilometers per hour (km/h), into the SI unit of speed, meters per second (m/s). This conversion is a fundamental aspect of unit conversion and illustrates the significance of standardized units in scientific and engineering calculations, emphasizing the importance of consistency and accuracy in measurements and calculations in various disciplines.

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