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Un article trouvé pour ce sujet.
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An electron in a TV tube |
2013-02-15 |
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anu pose la question :
an electron in a TV tube is beamed horizontally at a speed of (50^6) m/sec. towards the face of a tube 40 cm away
about how far will the electron drop before it hits? no information has been provided of initial height from where it is beamed.
Robert Dawson lui répond. |
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