A 650-kg roller coaster car starts from rest at the top of the first hill at height 26m and rolls down the frictionless track and passes through second hill at height 16m, third hill at height 9m and reach end of ride.
Calculate the gravitational potential energy at the top of first, second, and third hills and at the end of the ride.
Calculate the kinetic energy at the top of first, second, and third hills and at the end of the ride.
Calculate the speed of the car at the top of first, second, and third hills and at the end of the ride.
