4. The potential energy of a 30-kg cannon ball is 12050.6 J. How high was the cannon ball to have this much potential energy?

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

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?