Answer :
Final answer:
Alex covered a total distance of 3600m on his dirt bike. However, his total displacement was 0 m, because he ended up at his starting point.
None of the given answer is correct
Explanation:
Alex's total distance traveling can be determined by simply adding up all the distances he covered:
700m (north) + 300m (east) + 400m (north) + 600m (west) + 1200m (south) + 300m (east) + 100m (north) = 3600m.
Therefore, the total distance Alex covered is 3600m.
However, displacement doesn't account for the distance traveled, it only considers Alex's start and end points.
To find Alex's displacement, we need to account for his movements in each direction.
He traveled 700m + 400m + 100m = 1200m north, 1200m south, 300m + 300m = 600m east, and 600m west.
The north-south displacement is thus 1200m (north) - 1200m (south) = 0, and the east-west displacement is 600m (east) - 600m (west) = 0.
So, Alex's overall displacement is 0m. He ended up on the exact spot he started.
Therefore, the correct answer is Alex covered a distance of 3600m and his displacement was 0m, which is not reflected in any of the listed options.
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