<span>Дано:</span>
<span>t</span><span>1 </span><span>= 12 </span><span>c</span>
<span>v</span><span>1</span><span> = 6 м/</span><span>c</span>
<span>t1 = 9 c</span>
<span>---------------</span>
<span>v</span><span>2</span><span> - ?</span>
<span>
</span>
<span>Формулы</span><span>:</span>
<span>V</span><span>2</span><span> = </span><span>s</span><span>2</span><span>/t</span><span>2</span><span>; </span><span>s</span><span>2</span><span> = </span><span>s</span><span>1</span><span> = </span><span>v</span><span>1</span><span> *</span><span>t</span><span>1</span>
<span>V</span><span>2</span><span> = </span><span>(сверху)</span><span>v</span><span>1</span><span> * </span><span>t</span><span>1 </span><span>(снизу)
</span><span>t</span><span>2</span>
<span> </span>
<span>Решение:</span><span />
<span>V</span><span>2</span><span> = </span>(сверху)<span>6 </span><span>v</span><span>/с *12 </span><span>c</span><span /><span>(снизу)</span><span>9 </span><span>c</span><span> = 8 м/с</span>
<span /><span>
</span>
<span>Ответ: 134. 8 м/с.</span><span>
</span>
<span /><span>
</span>
