I would define physics more as, human fabricated concepts used to explain our sense perception with experiment. So i would say its the interaction between the functioning of the mind and ideas formulated to explain the phenomena we perceive as being real.
The figure below shows the velocity of a bicyclist traveling down a street. First, describe with words how the cyclist is moving in each region of the graph. Second, sketch the graphs of position vs. time and acceleration vs. time for the cyclist.
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