The deflection plates of an ink-jet printer are set up horizontal and parallel one above the...
The deflection plates of an ink-jet printer are set up
horizontal and parallel one above the other; both are square, of
side 4.0 cm. They are charged such that the electric field in the
region between them is uniform, pointing vertically downwards, and
of magnitude 10.0 × 106 NC–1. An ink drop of mass 5.0 × 10–10 kg
and charge –1.0 × 10–13 C enters the region between the plates,
travelling horizontally at 25 ms–1 parallel to a side of the
plates.
(a) Draw a diagram to represent the situation and label the axis
reasonably.
(b) Calculate the force acting on the ink drop due to the electric
field.
(c) How long does the ink drop travel the length of the
plates?
(d) Through what vertical displacement is the drop deflected at the
end of its passage between the plates?
Homework Answers
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The deflection plates of an ink-jet printer are set up
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rapidly moving nozzle. The pattern on the paper is controlled by an
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leave the nozzle and travel horizontally toward the paper at
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In an inkjet printer, letters and images are created by
squirting drops of ink horizontally at a sheet of paper from a
rapidly moving nozzle. The pattern on the paper is controlled by an
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ink is squirted onto the paper or not.The ink drops have a mass m = 1.00×10−11 kg each and
leave the nozzle and travel horizontally toward the paper at
velocity v = 22.0 m/s . The drops...
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