Aliens are observing a park in new york. They notice amerry-go-round has a radius of 3.12m and a moment of inertia of3100kgm^2 at the vertical axis through the center. The contraptionhas been lubricated recently so there is no friction. one of theearthlings applies a tangential force of 19N for 13s begging atrest. Unfortunaley after gathering this data the aliens computerbroke so now they must calculate the work that was done over thecourse of the 13s.
