chp28_3 - PHY2061 R. D. Field Accelerating Charged...

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PHY2061 R. D. Field Department of Physics chp28_3.doc University of Florida Accelerating Charged Particles Example Problem: A particle with mass M and charge q starts from rest the point A . What is its speed at the point B if V A =35V and V B =10V (M = 1.8x10 -5 kg, q = 3x10 -5 C)? Solution: The total energy of the particle at A and B is EK E U q V E U M v q V AA A A BB B B B =+ = + = + 0 1 2 2 . Setting E A = E B ( energy conservation ) yields (Note: the particle gains an amount of kinetic energy equal to its charge, q, time the change in
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This note was uploaded on 05/31/2011 for the course PHY 2061 taught by Professor Fry during the Spring '08 term at University of Florida.

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