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A 2.8-mm-diameter merry-go-round with a mass of 240 kgkg is spinning at 20 rpmrpm. John runs...

A 2.8-mm-diameter merry-go-round with a mass of 240 kgkg is spinning at 20 rpmrpm. John runs around the merry-go-round at 5.0 m/sm/s, in the same direction that it is turning, and jumps onto the outer edge. John’s mass is 32 kg.

What is the merry-go-round's angular speed, in rpmrpm, after John jumps on?

Express your answer in revolutions per minute. (rpm)

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