Please help me answer this correctly, thank you. Is this statement true or false?
A full moon occurs approximately three weeks after a new moon.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

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.