Answer:
the branch of science concerned with the nature and properties of matter and energy. The subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.
physics, science that deals with the structure of matter and the interactions between the fundamental constituents of the observable universe. In the broadest sense, physics (from the Greek physikos) is concerned with all aspects of nature on both the macroscopic and submicroscopic levels.
It is a conduction pathway for tactile and engine nerve motivation. It also helps with our brain stem.
Answer:
i)
, ii) 
Explanation:
i) After each bounce, two thirds of previous energy is lost by the ball. Then, the height observes a geometric progression which is described herein:


Where n is the number of bounces.
ii) The total vertical distance that ball travels before coming to rest is:

