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Why is a magnetic field used to deflect electron beam but not an electric field in a tv picture tube
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Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
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Using a caesar cypher with an offset of three characters (a -> d, b -> e, z -> c), what would be the correct cypher text for the plain text "attack at dawn"?
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Why is a magnetic field used to deflect electron beam but not an electric field in a tv picture tube...
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