Calculate the distance and displacement of a body in a complete circle of radius 21m
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Hey mate here is your answer....
The distance moved is equal to two circumferences:
d = 2 × 2 π r = 264 m
The magnitude of displacement is the distance in a straight line between the start position and end position. Since 2 complete revolutions have been made the start and end position are the same position. That makes the displacement zero.
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