Which of the following is a correct match of Piaget stage with a characteristics of individuals in that stage?

Newtons second law deals most cosely with

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?