You are standing 2.7 m from the centre of a spinning merry-go-round holding one end of a string tied to a 120 g mass. The merry-go-round has a period of 3.9 s.  (a) Draw a system diagram of the situation. (b) Draw an FBD of the mass in Earth’s frame of reference. (c) Draw an FBD of the mass in the merry-go-round’s rotating frame of reference. (d) What angle does the string make with the vertical? (e) Determine the magnitude of the tension in the string.

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