Tom and Mary are at a playground that has two merry-go-rounds. Merry-go-round βAβ has a radius 1/3 as long as merry-go-round βBβ. Tom gets on the outer rim of A and Mary on the outer of B and both begin to rotate their merry-go-rounds. Eventually Tom notices that every time he completes a revolution, Mary also completes a revolutio
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Tom and Mary are at a playground that has two merry-go-rounds. Merry-go-round βAβ has a radius 1/3 a...
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