How do we know about physics?

Question

Physics is the study of everydays technology and geometric and physilophy and science and the mathamatical ways in physics and chemistry and the use of chemicals and biochemic and biochemistry and using Po and chl and ph. and xy23*44dy=what like psh and oxy and h2o ch2ol4 and deophysics

Answer 1

Dude. Hope you have a relaxing spring break.We know about physics like we know what happens when you have unprotected sex. We learn from people that have been there.Or the hard way.