The speed of the merry-Go-round is 3.492 m/s
Given: Time period of Merry-go-round = 4.5 seconds
Diameter of the ring = 5.0m
this implies Radius=2.5m
Distance Travelled to complete 1 circle
= 2πr = 2*π*2.5 = 5π
Time Taken to complete 1 circle = 4.5 seconds
Speed = Distance Travelled/time taken
⇒ speed = 5 pi / 4.5
speed = [tex]\frac{5 * 22}{7 * 4.5}[/tex]
speed = 110 / 31.5
speed = 3.492 m/s
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