Question

a person Travels by are along the circumference of a circle of radius displacement of the person is​

Answer 1

Refers to the attachments

➠ A person travels by are along the circumference of a circle of radius displacement of the person is Zero because a person has reached back at the starting point and the distance between the initial position and final position is zero.

Answer 2

Displacement of person along the circumference is zero

Explanation:

• Displacement of any body is given as the shortest path covered by the body. It is a vector quantity so have magnitude as well as direction. It depends on the initial and final position of the body and not on path followed by the body
• Its SI unit is meter (m) same as that of distance
• Displacement can be negative, positive and zero
• Whenever direction of the moving particle is reversed then we get negative displacement, when movement is in the same direction or forward direction then we get positive displacement and when initial and final point coincide then we get zero displacement
• In given question person travels along the circumference of the circle so the person reach on the same point from where it started so displacement of the person is zero

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