Created by StemPy LabRina walks along a straight corridor, sometimes forwards and sometimes back. Which statement is true for every such walk?
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← An auto-rickshaw drives along a straight road. Taking a petrol pump as the origin and the direction towards the market as positive, it goes from x = +350 m to x = +900 m, and then turns back to x = +600 m. What are its path length and its displacement?A dog sits still a few metres from its owner for a while. Then it runs straight away from her at a steady speed. Which graph shows the dog's position, measured from the owner, against time? →
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