Answer :
Final answer:
The hiker's average velocity upon arriving back at camp is zero km/h.
Explanation:
The average velocity of the hiker upon arriving back at camp is zero.
Velocity is a vector quantity that represents both speed and direction. Since the hiker walked down the trail towards the south for one hour at 6.00 km/h and then returned back to the camp towards the north at the same speed, her total displacement is zero. Displacement is the change in position, which takes into account both distance and direction. Therefore, her average velocity is zero km/h.
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