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Image for A particle with charge of +5.0 X 10^-4 C, and mass of 2.0X10^-9 kg moves at 2.0X10^3 m/s in the +x direction.
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Answer #1

Note that

F = q v x B

Then

F = 0.2 N, towards the +z by right hand rule   [ANSWER, PART A]

****************

Note that

r = m v / [q B]

Thus,

r = 0.040 m   [ANSWER]

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