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A carnival merry-go-round rotates about a vertical axis at a constant rate. A man standing on the edge has a constant speed of 3.30 m/s
and a centripetal acceleration of magnitude 2.01 m/s². Position vector locates him relative to the rotation axis. (a) What is the
magnitude of 7? What is the direction of 7 when a is directed (b) due east and (c) due south?
(a) Number
(b)
(c)
Units

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