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A figure skater along a circular path of radius 5 m. If she coasts around one half of the circle, find (a) the magnitude of the displacement vector and (b) what distance she skated? (c) What is the magnitude of the displacement if she skates all the way around the circle?
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Do you know what is the difference between the "magnitude of the displacement vector" and "the actual distance skated" (parts a and b)?
Magnitude of displacement is the straight line distance from the beginning of a path to the end of the path. What is the length of the straight line drawn from the beginning position to a point half way around the circle?
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