Each member in a marching band must move at a specific velocity to be in the correct place in the formation. What part of velocity that is important for this formation is not shown by a distance-versus-time graph?

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.

i'm on my way to history not a mistory.