Kylee is running on the track. She starts off at the 200m line and runs to the 800 m line. She realizes she forgot her watch so she turns around and runs to the 450m line when she realizes it was in her pocket. What was her total displacement?

250m towards the starting point

Explanation:

 Displacement is the distance from start to finish with directional orientation of a body.

     Start                                         Finish

     200m           →                           800m

                                             ←

                                    450m

Her total displacement would be  = 450m  - 200m  = 250m

Displacement is therefore 250m towards the starting point

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