Ground state, since electrons want to be in the lowest energy position as possible, which is closer to the nucleus of the atom.
You are correct earth science is studied to predict planetery changes
because the sperm and the egg will dry out
2,200 Newtons.
F = ma
v f = v i + at
0mls = 20mls + a(.5s)
-20mls/.5s = -40mls squared
-40mls squared (55kg) = 2,200 Newtons.
Hope this helps!
