A spring is16.6cmlong when it is lying on a table.0N ,causing the spring to stretch to a length of 19.

A spring is16.6cmlong when it is lying on a table. One end is then attached to a hook and the other end is pulled by a force that increases to26.0N ,causing the spring to stretch to a length of 19.1cmWhat is the force constant of this spring? How much work was required to stretch the spring from 16.6 cm to 19.1 cm? How long will the spring be if the 26.0N force is replaced by a 52.0NForce