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12 November, 19:15

A person travels distance πR along the circumference

of a circle of radius R. Displacement of the person is

a. R b. 2R

c. 2πR d. zero

WHY?

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Answers (2)
  1. 12 November, 20:31
    0
    B) 2R is the answer
  2. 12 November, 22:02
    0
    Answer: 2R

    Explanation:

    Here the person travels пR distance. We know that the circumference of a circle is 2πR. So your imaginated person has traveled the distance which is half of the circumference of the circle. And this distance is equal to its diameter. We know that diameter of a circle is two times larger than the radius. So the person's displacement is two times of the radius, means 2R. [Here 'R' means the radius of the circle]
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