Change alters the form of a substance but does not change the material into another substance

The slope of a velocity time graph over any interval of time gives the during that interval

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?