The kinetic energy as the roller coaster goes downhill.

Increases

Explanation:

Just did it

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000