Determinar la densidad que debe tener un cilindro para que al dejarlo en agua se sumerja hasta la mitad de su altura. (sugerencia: sumatoria de fuerzas en Y igual a cero)

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

True or false: the revolution of the earth creates day and night as it rotates around the sun

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