Physics help??? 1. The problem statement, all variables and given/known data a child with a mass m slides down a 4.0 m high slide. starting from rest, the child has a speed of 3.5 m/s at the bottom of the slide. what percent of the gravitational potential energy of the child at the top of the slide hasn't been transformed into kinetic energy once the child reaches the bottom? 2. Relevant equations Ee = 0.5kx^2 Ek = 0.5mv^2 3. The attempt at a solution idk where 2 start?