If the x and y vector components of Vector A are 21 and 4.0, respectively, what is the magnitude of Vector A? Round your answer to the nearest hundredth.

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.