The velocity of a particle (m= 10 mg, q= -4 microC) at a t=0 is 20m/s in the positive x-direction. If the particle moves in a uniform electric field of 20 N/C in the positive x-direction, what is the particle's velocity (in m/s) at t = 11.9 s ?

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A: Answer:20m/s Options are incorrect.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.