a body covered a distance of x metre along a semi-circular path. calculate the magnitude of displacement of the body, and the ratio of distance to diasplcement
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44/7x. The perimeter of the semi circle would be equal to the distance x. By __ πr=x __ putting the value of π , r becomes 22/7x. But the displacement here would be equal to the diameter. So d=2r=44/7x
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