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First course in mechanics in the final year of high school (2020 program) The description of a movement: position, speed, acceleration and how to calculate them. 0:00 Introduction 0:29 System/reference 1:35 The position vector 2:33 The speed vector 3:50 The acceleration vector 4:24 How to calculate v and a? 10:11 Examples of movements 11:00 Circular movements