A proton travels through uniform magnetic and electric fields. The magnetic field is B = 2.50imT. At

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A proton travels through uniform magnetic and electric fields. The magnetic field is B = 2.50imT. At one instant the velocity of the proton is v = 2000j m/s. At that instant and in unit vector notation, what is the net force acting on the proton if the electric field is?

(a) 4.00k V/m,

(b) -4.00k V/m, and

(c) 4.00i V/m?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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