Respuesta :
Answer:
He can calculate how many kilometers or miles per hour he was going
Explanation:
When a runner measured the time for running 5 km, then he can also calculate speed from the distance and measurements of time.
What is the formula to calculate speed?
Speed can be defined as the frequency at which an object moves a certain distance. The distance travelled by a body in a certain amount of time is known as speed.
The formula for speed is Speed=Distance/Time.The unit of measurement of speed is a meter per second. It is commonly measured as kilometers per hour.
Therefore, speed is calculated from time and distance.
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