Amerry-go-round is a common piece of playground equipment. a 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. john runs tangent to the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. john’s mass is 30 kg. what is the merry-goround’s angular velocity, in rpm, after john jumps on
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Amerry-go-round is a common piece of playground equipment. a 3.0-m-diameter merry-go-round with a ma...
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