You lift a 100 N boulder 1 m off the ground. How much work is done on the boulder? If it took 2 s, how much power was expended when you lifted the boulder? What is the
gravitational potential energy of the boulder at the 1 m position?

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

If a balloon is taken outside on a very cold day, what will occur?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island