a student in your class says "electromagnetic waves can travel through outer space but mechanical waves can’t.” is it this student right or wrong? why?

The plum pudding model of the atom states that ?

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

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?