2 – Electric Fields

2 – Electric Fields - Physics 8B 2 Electric...

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Physics 8B 2 – Electric Fields rev 4.0 2 – Electric Fields 1. A uniform electric field, E, points to the right as shown. Several particles (neutrons, protons, or electrons) are released (from rest or with initial velocity, v 0 , as shown). Assume the particles do NOT interact with one another. a) Q: Indicate the force on each particle and sketch its path. b) Q: Which particles speed up (initially)? c) Q: Which particles slow down (initially)? d) P: For any particle that will momentarily stop, find when it stops and how far it traveled before stopping. E n p + e - p + e - e - n p +
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Physics 8B 2 – Electric Fields rev 4.0 2. Four dipoles (+Q = 2 μ C and –Q = -2 μ C separated by distance d = .05 m) are released from rest. Three in a uniform electric field, E 1 = 3 x 10 6 N/C, and one in a non-uniform electric field, E 2 . a) Q: For each dipole, describe its motion. Do they rotate? Translate? Speed up? Slow down? Etc. b) Q: For those that rotate, show the orientation when they have maximum rotational kinetic energy. c)
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2 – Electric Fields - Physics 8B 2 Electric...

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