A man moves over a semi circular path of radius 200m. Then what is his displacement around that path ?

0

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400 π

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400

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1000

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Solution

The correct option is B $400$
The definition of displacement is the distance from initial point to final point. So, the displacement along semicircular path will be the diameter of the semicircular path.
Hence, the displacement $= 2 R = 2 \times 200 = 400 m$

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