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Cathode-ray tubes (CRTs) are often found in oscilloscopes and computer monitors. In the figure below an electron with an initial speed of 5.70 multiply.gif 106 m/s is projected along the axis midway between the deflection plates of a cathode-ray tube. The uniform electric field between the plates has a magnitude of 1.34 multiply.gif 103 V/m and is upward.

Image for Cathode-ray tubes (CRTs) are often found in oscilloscopes and computer monitors. In the figure below an electr

(a) What is the force (magnitude and direction) on the electron when it is between the plates?

_________ N

(b) What is the acceleration of the electron (magnitude and direction) when acted on by the force in part (a)?

_________ m/s^2

(c) How far below the axis has the electron moved when it reaches the end of the plates?

_________ mm

(d) At what angle with the axis is it moving as it leaves the plates?

_________ degrees

(e) How far below the axis will it strike the fluorescent screen S?

_________ cm

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Manoj Pandey
Manoj PandeyLv10
12 Oct 2020

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