25.12. Model: Model the charged masses as point charges.
Visualize:
Solve: (a) The charge q1 exerts a force . F1 on 2 . on q2 to the right, and the charge q2 exerts a force . F2 on 1 . on
q1 to the left. Using Coulombs law,
F1 on 2 = F2 on 1 =
K q1 q1
2
r

Physics 202
Name Fall 20l 5
Quiz 0: Practice
Answer each question as completon as possible. This includes explaining how you solve the problem. l t is
3mm responsibility to convince me that you understand and can do the relevant physics.
1. ('Zpts) A ball

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Quiz 1
Physics 202
Fall 2015
Answer each question as completely as possible. This includes explaining how you solve the problem. It is
your responsibility to convince me that you understand and can do the relevant physics.
1. (2pts) If