Speed (scalar quantity) measured in ms-1
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Distance divided by time has the dimensions of speed (magnitude of velocity). The (distance an object travels) divided by (the time it takes to travel that distance) is a definition for the object's average speed.
That's the definition of the object's average speedduring that period of time.Note: Not velocity. That's something different.
In general, we will find the average speed of a moving object by dividing the total distance it travels by the total time elapsed in its travel.We can find the actual speed of the object if it moves with a constant speed during all of its travel. But if the object is something like a bus or train that makes stops along the way, we discover its average speed by dividing the total distance it travels by the total time it took to travel that distance.
The distance traveled by an object divided by the time it takes to travel that distance is called the average speed, r, if you are also considering its direction, its average velocity. Velocity = distance in one direction/time Speed = distance/time For example: A car that travels 60 miles in a time of 2 hours has a speed of 30 miles per hour.
speed