A frictionless 3.0kg cart rolls down an incline，and then loops-the-loop。a）what is the carts velocity at the top of the loop？

An uplifted block of rock between two normal faults

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

Most short-period comets do not have randomly oriented orbits because