Question

how is energy conserved in a roller coaster???​

Answer 1

Answer:

By neglecting the influence of air resistance, it can be said that the total mechanical energy of the train of cars is conserved during the ride. That is to say, the total amount of mechanical energy (kinetic plus potential) possessed by the cars is the same throughout the ride

Answer 2

Answer:

in dollar coaster energy changes from kinetic to potential over and over again over the course of ride.