In kinematics, the speed of an object is the magnitude of its velocity; it is thus a scalar quantity. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.
All stories in Speed
-
Obsessing over first-page load time sabotages ecommerce businesses
A flawed approach to page speed measurement is sabotaging ecommerce sites. There, I said it. Now I know this might be ...
