A boy complete a semicircle of radius10m in 5seconds . the displacement of boy is
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Displace ment is the shortest path
so after finishing the semicircle the shortest path is the line joining initial point to final point
which is the diameter
so displace ment=diameter=2r=2×10=20m
so after finishing the semicircle the shortest path is the line joining initial point to final point
which is the diameter
so displace ment=diameter=2r=2×10=20m
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