On Wednesday, three students came to office hours. They all had questions about a problem where a bomb is 80m in the air and explodes. They needed to find the velocity of one of the fragments, how far apart the fragments land, and the energy given off by the explosion. I think the hardest part was finding how far apart they land, because you needed to use a combination of energy and kinematics.
On Friday, a student from Physics 2 came to office hours. She had questions regarding circuits. The first was regarding a voltage source with an internal resistance, and the second was regarding a circuit with two capacitors. I had forgotten some of the equations needed, but after working through the problems together for a few minutes we found the solutions.
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