Perturbation theory: a. why is perturbation theory required? b. describe the basic assumptions and process for performing non-degenerate perturbation theory

Orange juice has a lower or higher viscosity than chocolate syrup

Which notation is used to represent an alpha particle? a. b. c. d.

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2