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An ink-jet uses an electric field to direct charged ink drops to a sheet of paper. Consider ink drops with mass

m=8.5x10^-11 kg that are charged to 1.6 pC entering perpendicular to a uniform electric field of strength 120 kN/C j(hat). If the droplets have an initial velocity of 15 m/s, how far will they deflect on passing through a 2mm region?

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ink jet.docx

Sol: Given that,
Mass of ink drop,
Charge,
Electric field strength,
Initial velocity,
Deflecting distance,
The force, F, experienced by a particle with charge q in a uniform
electric field of...

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