Updated greek laters @ latex compiling

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revision #10061 parent #8897 GitHub dbb31ba ← older newer →
en/2.1.3.md +2 −2
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Substituting (2) and (3) into (1), we obtain
$$ F_{el} = \frac{2ym_ev^2}{l^2}\; (4) $$
After leaving the plates, the electron continues to move by inertia. The tangent of the angle at which the electron flies to the horizontal after leaving the plates is equal to
−$$ tg\alpha = \frac{v_y}{v} = \frac{2y}{vt} = \frac{2y}{l} $$
+$$ \tan\alpha = \frac{v_y}{v} = \frac{2y}{vt} = \frac{2y}{l} $$
On the other side
−$$ tg\alpha = \frac{Y - y}{L – l/2} = \frac{2(Y - y)}{2L - l} $$
+$$ \tan\alpha = \frac{Y - y}{L – l/2} = \frac{2(Y - y)}{2L - l} $$
Then
$$ \frac{2y}{l} = \frac{2(Y - y)}{2L - l} $$
After simple transformations we find
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