Which elements could be used to make a magnet?

iron nickel and cobalt

Explanation: hope this helped

Materials that can be polarized, which are likewise the ones that are emphatically pulled in to a magnet, are called ferromagnetic (or ferromagnetic). These incorporate the components iron, nickel, and cobalt, and their amalgams, some combinations of uncommon earth metals, and some normally happening minerals, for example, lodestone.

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

this is poiselle's equation from fluid mechanic in physics. mech eng