So basically the objects would be sandpaper and smooth metal, the sandpaper can indirectly touch the metal since it’s so smooth and it won’t cause any temp change either
Answer:
2400kgm²
Explanation:
Rotational inertia=mass x radius²
Answer:
An object may become extinct due to the lack of quantity of the object and the object no longer exists so it is now extinct.
<span>The atom becomes positively charged.
When you add electrons to a neutral atom, it is no longer a neutral atom, it has a negative change and is an anion. When you take away electrons from a neutral atom, it is no longer a neutral atom- it becomes a positive atom, and is a cation.</span>
