Which scientist would be most likely to study new energy is transmitted by water waves

What is the difference between electrically neutral objects and electrically charged objects

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

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