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# Physics cathode ray tube

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In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.35 x 10&#8722;17 N during the first 2.04 cm of tube's length; then they move at essentially constant velocity another 44.1 cm before hitting the screen. How long does it take them to travel the length of the tube?

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This solution helps go through the kinematics behind the physics cathode ray tube.

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In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.35 x 10&#8722;17 N during the first 2.04 cm of tube's length; then they move at essentially constant velocity another 44.1 cm before hitting the screen. How long does it take them to travel the length of the tube? ...

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