A bat is 390 centimeters north of its cave. If the bat flies at a constant velocity of 260 centimeters per second to the south, how much time will the bat take to reach its cave?
Write your answer to the tenths place.

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.