Answer:
a) , b)
Explanation:
a) The potential energy is:
b) Maximum final speed:
The final speed is:
The correct option is D.
The big bang theory is the scientific theory that explains how the universe came to exist. The theory explains how the universe expanded due to high temperature and density. Scientists believed that the first nuclei were formed few minutes after the bing bang occurred via a process called bing bang nucloesynthesis. During this process helium and hydrogen were formed and the amount of helium found correspond to the amount predicted by scientists.
I think it’s c but check cause I’m not sure
Yes, this statement is true. Majority of the fluids in our body is water. So, when we perspire, it comes out as a salt solution. When the water vaporizes and turns into water vapor, it leaves white residues in our garments after a while. The salt can't be vaporized as fast as the water so it is left as a solid.