Final answer:
The rider's displacement is -1 km, the total distance covered is 5 km, and the magnitude of the displacement is 1 km.
Explanation:
Displacement: The rider's displacement is Ax = xf - xo = -1 km. The displacement is negative as east is positive and west is negative.
Distance: The total distance traveled is 3 km + 2 km = 5 km.
Magnitude: The magnitude of the displacement is 1 km.
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