A particle moves in a circular orbit of radius 5 m.Calculate the distance covered and the displacement if it completes three revolutions.
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Distance=circumference=2×22/7×5
=220/7 m
For 3 revolutions,220/7×3
=660/7 m
Displacement=diameter=2r
=2×5
=10 m
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Cirunference of a semi circle = 22/7 ×r
= 22/7× 10
= 220/7 m
Displacement = r +r =d
= 10+10= 20 m
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