B: CaO
Because Calcium is a Metal and Oxygen is a Non-Metal. Ionic bonds are only formed with a Metal and a Non-Metal element.
since centripetal acceleration is always towards the center of the circle
so at the given position where speed and acceleration is given the center coordinate will be towards the center of circle
also we know that



so the coordinates of the center will be


so the coordinate is (3.20 m, 4.04 m)
Coals energy is affordable and it is easy to burn.
A person's weight will change if they move from Earth to the moon.
<h3>Hope this helps, sorry if not tho</h3><h3>Do you want to go live on the moon?</h3>