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5.3.3.1 Classical Kinetic Energy (in the Normal Time)
So in the classical view of apparently continuous existence, when we consider both space and time to be real, i.e. when we consider an infinitesimally continuous and smooth change in speed from zero to
, the result of this integration will give the standard equation that describes the kinetic energy of massive particles or objects moving in the normal level of time:
The reason why we are getting the factor of “half” in this equation is because the velocity increases gradually with time, which makes the integration equals to the area of the triangle as demonstrated by the first arrow in Figure 5.4.


