Answer:
answer should be 10 because the line goes from (0,0) then to (1,10) and so on
Explanation:
The tangential speed of Andrea is given by :

Where
r is radius of the circular path
ω is angular speed
The merry-go-round is rotating at a constant angular speed. Let the new distance from the center of the circular platform is r'
r' = 2r
New angular speed,

New angular speed is twice that of the Chuck's speed.
Answer: I looked it up and it says something about the waves traveling in a solid but I don’t know if that’s correct.
Answer:
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