SAT Subject Physics Practice Question 591: Answer and Explanation
Which of the graphs above shows two electrons as they separate from one another?
A. Graph A
B. Graph B
C. Graph C
D. Graph D
E. Graph E
Correct Answer: A
The correct answer is (A). The force the two electrons exert on each other decreases when the distance between the two particles increases. A variation of a parabolic curve that is shown is graph A.