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Homework Help: Magnetic field due to negative charge

  1. May 5, 2007 #1
    I hope you could help me out with this...

    A negative charge q=-7.20mC is moving in a reference frame. When the point charge is at the origin the magnetic field it produces at point (25.o cm,0,0) magnetic field is B= (6.0 x10^(-9)T) j("unit vector") and its speed is 800 m/s . what is the x-.y-. z-components of the velocity of charge??

  2. jcsd
  3. May 5, 2007 #2


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    Well, how do you think we should proceed..?
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