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A particle (q = 3.0 mC, m = 20 g) has a speed of 20 m/s...

A particle (q = 3.0 mC, m = 20 g) has a speed of 20 m/s when it enters a region where the electric field has a constant magnitude of 80 N/C and a direction which is the same as the velocity of the particle. What is the speed of the particle 3.0 s after it enters this region?

A charge of 80 nC is uniformly distributed along the x axis from x = 0 to x = 0 m. Determine the magnitude of the electric field at a point on the x axis with x = 8.0 m.

A charge of 50 nC is uniformly distributed along the y axis from y = 3.0 m to y = 5.0 m. What is

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