What is the length of the y-component of this vector?

Anybody wanna ? (picture included? )

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 weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?