Answer:
Ferrous metals are ones that contain iron ( can be alloys of iron), and non-ferrous metals don't contain iron.
Hope this helps, let me know if you have any questions! :)
Answer:
I got this image from Goo.gle.
I don't know it's help u or not.
have a wonderful day. oniisan
If the displacement = zero the average velocity will be zero. displacement = zero when the object move and return back to its starting position