A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 280 kg, is spinning at 16 rpm. John runs tangent to the merry- go-round at 5.4 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 30 kg. Part A What is the merry-go-round's frequency, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. W = Submit ΑΣΦ Request Answer ? rpm

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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A merry-go-round is a common piece of playground equipment. A
3.0-m-diameter merry-go-round, which can be modeled as a disk with a
mass of 280 kg, is spinning at 16 rpm. John runs tangent to the merry-
go-round at 5.4 m/s, in the same direction that it is turning, and jumps
onto the outer edge. John's mass is 30 kg.
Part A
What is the merry-go-round's frequency, in rpm, after John jumps on?
Express your answer in revolutions per minute to two significant figures.
ΠΑΠΑΣΦ
W=
Submit
Request Answer
rpm
Transcribed Image Text:A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 280 kg, is spinning at 16 rpm. John runs tangent to the merry- go-round at 5.4 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 30 kg. Part A What is the merry-go-round's frequency, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. ΠΑΠΑΣΦ W= Submit Request Answer rpm
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