Added 1.1.1 and 1.1.2 on english

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+ <meta charset="UTF-8" />
+ <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+ <meta http-equiv="content-language" content="en">
+ <script async src="https://www.googletagmanager.com/gtag/js?id=G-DDMB38YMLD"></script>
+
+ <title>Savchenko Solutions</title>
+ <meta property="og:image" content="img/logo.png">
+ <meta property="og:title" content="Savchenko Solutions"/>
+ <meta name="description"
+ content="A website with solutions to physics problems from Savenko Textbook" />
+ <meta name="keywords" content="physics, olympiads, ipho, savchenko" />
+ <link rel="stylesheet" href="https://savchenko-physics.github.io/css/css-latex/style.css" />
+ <link rel="icon" type="image/x-icon" href="https://savchenko-physics.github.io/img/favicon.ico">
+</head>
+
+<body id="top">
+ <header>
+ <h2>Solutions of Savchenko Physics Textbook</h2>
+ <p class="author">
+ Aliaksandr Melnichenka <br/>
+ October 2023
+ </p>
+ </header>
+
+ <main>
+ <article>
+ <h3 id="back-link"><a href="../">$\leftarrow$Back</a></h3>
+
+ <h4>Statement</h4>
+ <p>
+ $1.1.1.$
+ Figure$^{*)}$ shows a "blurred photograph" of a jet airplane in flight. The length of the airplane is 30 m, the length of its nose is 10 m. Determine
+ from this "photograph" the speed of the airplane. The shutter exposure time is 0.1 s. The shape
+ of the airplane is shown in the figure with a dashed line.
+ </p>
+ <center>
+ <figure>
+ <img src="statement.png"
+ loading="lazy" alt="1.1.1" width="150" />
+ <figcaption>
+ For the 1.1.1 problem
+ </figcaption>
+ </figure>
+ </center>
+ <h4>Solution</h4>
+ <center>
+ <figure>
+ <img src="1.1.1.png"
+ loading="lazy" alt="1.1.1" width="250" />
+ <figcaption>
+ 1.1.1. Airplane photo
+ </figcaption>
+ </figure>
+ </center>
+ <p class="TxtSolutions">
+ To find the velocity of the airplane it is necessary to determine the vector of its displacement for the time $T$, during which the shutter of the camera is open. Let us select the initial point $1$ in the photograph and determine the distance it will move during the time $T$. The length of the airplane must be subtracted from the total length of the photograph. Taking into account the scale, the modulus of displacement will be
+ </p>
+ <p class="TxtSolutions" style="text-align: center;">
+ $l=50-30 = 20 \;m$
+ </p>
+ <p class="TxtSolutions">
+ For the 0.1 s aiplane covered a distance of $20\; m$, which corresponds to velosity of
+ </p>
+ <p class="TxtSolutions" style="text-align: center;">
+
+ $\boxed{v = \frac{l}{T} = 200\; m/s}$
+ </p>
+ </article>
+ </main>
+
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