A playground merry go round of radius R 1 80 m has a moment

Last updated: 6/9/2023

A playground merry go round of radius R 1 80 m has a moment of inertia I 270 kg m and is rotating at 8 0 rev min about a frictionless vertical axle Facing the axle a 23 0 kg child hops onto the merry go round and manages to sit down on the edge What is the new angular speed of the merry go round Trex min