Angstrom = 10^-10 m
for nucleus size are used fermi (femtometer 10^-15 m )
this is due to the existence of other forces called the strong nuclear forces that overcomes the repulsion forces between the protons and keeps the nucleons holding to each other also there is a type of energy that is called the nuclear binding energy and this energy also works on binding the components of the nucleus together
The medium of ocean waves are In the case of a water wave in the ocean, the medium through which the wave travels is the ocean water. In the case of a sound wave moving from the church choir to the pews, the medium through which the sound wave<span> travels is the air in the room.</span>
Do you want me to translate it?
more deceleration.
in vertical motion downwards => terminal velocity ... raindrops etc