Question

A particle of mass 1.00 x 10-9 kg and charge 3.00 pC is moving in a vacuum chamber where the electric field has magnitude 2.00 x 103 N/C and is directed straight upward. Neglecting other forces except gravity, calculate the particle’s (a) acceleration and (b) velocity after 2.00 s if it has an initial velocity of 5.00 m/s in the downward direction.

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