GmailMapsO Web design tutori.WA MATH180: HW08-.

For this system, there is no external torque on the system of disc and John. So, we can use law of…

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 210 kg, is spinning at 20 rpm. John runs tangent to the merry-go-round at 4.2 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 angular velocity, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. W = 19 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining

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 210 kg, is spinning at 20 rpm. John runs tangent to the merry-go-round at 4.2 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 angular velocity, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. W = 19 rpm Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining