Un tren toma una curva cuyo radio de curvatura es de 500 m con una rapidez de 30 m/s. ¿Cuánto vale la aceleración centrípeta en estas condiciones?

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

the components of a vector are the parts of the vectors that are to each other.

b perpendicular