Can someone answer all three of theses pl 1. What would you like to know about the new celestial body? Why do you want to know this?

2. Which of the three technology tools would you use?

3. How would that technology tool help you find out what you want to know about the celestial body?

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.