A child exerts a tangential 41.4 {N} force on the rim of a disk-shaped merry-go-round with a radius of 2.50 {m}.If the merry-go-round starts at rest…

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A child exerts a tangential 41.4 {N} force on the rim of a disk-shaped merry-go-round with a radius of 2.50 {m}.If the merry-go-round starts at rest and acquires an angular speed of 0.0806 {rev/s} in 4.00 {s}, what is its mass?

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