Mr. Jones leaves the John Hancock Building in Boston at 8 am, flies to New York

Question

Mr. Jones leaves the John Hancock Building in Boston at 8 am, flies to New York City
(arriving at 11 am), takes a cab to the UN building, and attends a meeting there until 6 pm. Mrs.Smith leaves the UN Building at 8 am, takes a train to Boston (arriving at 3 pm due to mechanical difficulties), and visits the USS Constitution before meeting with her insurance broker in the John Hancock Building from 5:30 pm to 7:00 pm. Compare the displacements of Mr. Jones and Mrs. Smith between 8 am and 6 pm.

(Is it just rjones=-rsmith?) please explain.

Explanation / Answer

The displacements of Jones and smith are equal because the displacement depends only on the intial and final points betrween which they are travelling and does not depend on the time taken to travel between those points

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