Energy that is associated with the relative positions of electrons and nuclei in atoms and molecules is called a) kinetic energy. b) thermal energy. c) gravitational energy. to) chemical energy.

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.

490 n

f=125n a=2.5m/s2