Speed is calculated by dividing the distance by the time it takes to cover it. In the SI (International System of Units), speed is expressed in meters per second (m / s or m * sec-1), since distance and time are expressed in meters (m) and seconds (s) respectively.
Summarizing everything in a formula, we would have that:
Snapshot of an airplane passing the sound barrier at a speed of about 340 m / s. How many km / h is it traveling at?Calculation Speed (m / s) = Distance in meters / Time in seconds
The calculation of the speed is therefore a "fairly simple operation; major" problems "can instead be encountered in" expressing it with different units of measurement, for example when one is asked to convert from m / s to km / h and vice versa. Let's get to the answer step by step.
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