Which best describes the results?
the list shows the results of six athletes competing in the
long jump, which has a target distance of 20 feet.
12 feet, 11 feet, 13 feet, 10 feet, 20 feet, 12 feet
fairly accurate but not precise
fairly precise but not accurate
not precise and not accurate
fairly precise and fairly accurate

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.