Question

what will be the distance if a body moving in circular path and reach to its original position after one complete round​

Answer 1

ANSWER:-

GIVEN:-

1. BODY MOVES A COMPLETE ROUND.

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FOR FIGURE REFER TO THE ATTACHMENT..

LET THE POSITION FROM THE BODY STARTS BE M.

HE MAKES A COMPLETE ROUND MEANS THE DISTANCE WILL THE CIRCUMFERENCE OF CIRCLE.

THUS,

CIRCUMFERENCE OF CIRCLE=DISTANCE

$2\pi \times r = distance$

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Answer 2

After one complete round​, distance covered is equal to $d=2\pi r$

Explanation:

Let r be the radius of the circular path. When an object moves in a circular path and reaches to its initial position, then the net displacement is equal to 0. While the distance covered is not equal to zero. It is equal to the circumference of the circle. So, the distance covered by the body is :

$d=2\pi r$

Here, r is the radius of circle

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