Older televisions display a picture using a device called a cathode ray tube, where electrons are emitted at high speed and collide with a phosphorescent surface, which emits light. Electron paths are altered by magnetic fields. Consider one such electron that is emitted with an initial velocity of 2.10 107 m / s in the horizontal direction when magnetic forces deflect the electron with an upward vertical acceleration of 5.40 1015 m / s2. The phosphorescent screen is at a horizontal distance of 4.8 cm from the point where the electron is emitted. (a) How long does it take for the electron to travel from the point of emission to the screen?  (b) How far does the electron travel vertically before reaching the screen?

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A: Charge of the particle (q)=6.408×10-19 C Mass of the particle (m)=2.34×10-26 kg Distance of particle…

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A: See below

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A: Solution:-

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A:

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A: Initial velocity (u) = 7.72×106 m/s Final velocity (v) = 2.46×106 m/s displacement (d) = 0.478 m

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.