When electromagnetic fields interact with charged particles, a- they become stronger because they gain protons
b- they become weaker because they gain electrons
c- electromagnetic force will occur
d- electromagnetic forces are cancelled

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Quantum mechanics applies to subatomic, atomic, nanometer-size, and micrometer-size systems. nanometer, micrometer, and kilometer-size systems. atomic, nanometer-size, and micrometer-size systems. subatomic, atomic, and nanometer-size systems.

The amount of work done is determined by 2 factors. describe an example of work (using the scientific definition) list the 2 factors that determine the amount of work done.