When the ball bounces up it has kinetic energy.But before it falls it has potential energy, and then as it falls has kinetic energy again. The ones used the most is kinetic.
The smallest one is the least powerful one. And the medium size one is the medium powerful one. And the largest one is the most powerful one of them all
Thomson proposed the "plum pudding" model - randomly scattered positive charges and negative charges held in a sphere
Rutherford disagreed with Thomson with his gold foil experiment - proposed that at the centre of an atom was a dense, positive mass and around it were very small negative charges called electrons
A. Nebula . Is The Answer !