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Two postal delivery workers have different routes. They both travel from the post office neighborhoods to deliver mail and then back to the postal office. Which statement must be true about the two postal delivery workers?
Two postal delivery workers have different routes. They both travel from the post office neighborhoods to deliver mail and then back to the postal office. Which statement must be true about the two postal delivery workers? Options:
A) They each have a displacement of 0 miles.
B) They each travel a distance of 0 mile.
C) They have the same velocity.
D) They travel at the same distance.
The two postal delivery workers must each have a displacement of 0 miles because they start and end at the same point, which results in no change in position. Therefore the correct option is A).The two postal delivery workers must have a displacement of 0 miles if they travel from the post office, go around their respective routes, and then return back to the post office. Displacement is defined as the change in position of an object and since they return to their starting point, the overall change in position is zero. This is represented by option A) They each have a displacement of 0 miles. Options B), C), and D) do not have to be true because the workers can travel different distances at different speeds and still end up with the same displacement of zero....