In the collision, the electron and positron both disappear, and are replaced by two muons (mc2 = 105. 7 mev), which move off in opposite directions. A) what is the kinetic energy of each of the muons?.

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation

there are no contact forces mentioned on the list of choices that you've provided.

the answer to this is proletariats.

hope this : )