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<meta name="description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
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<meta property="og:description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<title>The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.</title>
$1.2.7.$ The bus moves for $20$ seconds in a straight line to the stop, passing a distance of $310$ m. Its initial speed is $15$$\frac{m}{s}$. Prove that the velocity of the bus changes in direction.
</p>
<h3>Solution</h3>
<p>
Since the bus comes to a complete stop at the end, the average speed is
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<meta name="keywords" content="Savchenko Problems in Physics, Savchenko solutions, physics problems, physics olympiad preparation, IPhO, Jaan Kalda">
<meta name="keywords" content="Savchenko Problems in Physics, Savchenko solutions, physics problems, physics olympiad preparation, IPhO, Jaan Kalda">
<meta name="description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<meta name="description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<meta property="og:title" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<meta property="og:title" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<meta property="og:image" content="img/logo.png">
<meta property="og:image" content="img/logo.png">
@@ -14,9 +14,9 @@
<meta property="og:description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<meta property="og:description" content="The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.">
<title>The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.</title>
<title>The bus moves for 20 seconds in a straight line to the stop, passing a distance of 310 m. Its initial speed is 15 \frac{m}{s}. Prove that the velocity of the bus changes in direction.</title>
$1.2.7.$ The bus moves for $20$ seconds in a straight line to the stop, passing a distance of $310$ m. Its initial speed is $15$$\frac{m}{s}$. Prove that the velocity of the bus changes in direction.
$1.2.7.$ The bus moves for $20$ seconds in a straight line to the stop, passing a distance of $310$ m. Its initial speed is $15$$\frac{m}{s}$. Prove that the velocity of the bus changes in direction.
</p>
</p>
<h3>Solution</h3>
<h3>Solution</h3>
<p>
<p>
Since the bus comes to a complete stop at the end, the average speed is
Since the bus comes to a complete stop at the end, the average speed is
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
