Answer:

Explanation:
As we know that average velocity is defined as the ratio of total displacement of the object and its time interval.
so here we can say

now we know that in one complete revolution the total displacement of the tip of the seconds hand is zero
because it will have same position after one complete revolution from where it starts
so here we can say that the average velocity will be zero

Answer:
A. For every action there is an equal and opposite reaction.
Answer:
3 effect of oxidized lipids
4 an inflammatory response
5 the formation of plaques
Explanation:
Destruction of cells due to oxidation of lipids whereby free radicals steal electrons in cell membrane.
This occurs when tissues get injured by trauma, bacteria or toxins, thereby causing damages cells to release chemicals like histamine, brakykinn that cause vessels to leak fluid into the injured tissues causing swelling.
-plaques are regions of destroyed cells which are visible structures formed inside a cell culture.
Corona gas star is literally z thickest layer. hope it helped.