A body travels in a semi-circular path of radius 10 meter from end A to other end B. Find the distance covered and displacement of the body.
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Distance is the total amount of meters traveled.
Displacement is the net change in meters.
The particle (body) travels along the perimeter of a half-circle with radius r=10 . The circle’s whole perimeter is p=2πr .
The direct path from A to B is the diameter 2r=20 meters. This is the net displacement.
The full distance traveled is half the perimeter of the circle. The distance, d=p2=πr=10π .
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