A child takes a ride on a merry-go-round at the playground. The horse she has chosen is located 1 meter from the center of the merry-go-round. See Figure 5.1.1.
(a) What is the angle swept out as the child makes half a revolution about the axis of the merry-go-round?
(b)What is the distance traversed by the child as he or she makes half a revolution on the merry-go-round?
Figure 5.1.1
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