A constant electric field E0 acting over a length d accelerates a particle with charge q and mass m from rest. It then comes across a region with a constant magnetic field B0 that is perpendicular to its velocity. (a) Determine the particle's velocity v as it approaches the magnetic field region. (b) Explain its subsequent movement. (c) For what value of B0 will the particle re-enter the region of constant electric field d from where it left?

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.