Question

A little girl is going on the merry-go-round for the first time, and wants her 50kg mother to stand near to her on the ride 2.1m from the merry-go-rounds center. If her mother's speed is 3.6m/s when the ride is in motion, what is her angular momentum around the center of the merry-go-round?

Answer 1

Angular momemtum : mass * tangential speed * distance to the center = 50*2.1*3.6=37800 J.s