Решение задачи по физике раздел 12 пункт 82 механика

82. The law of motion of a particle moving in a straight line, has the form x = b ∙ t - c ∙ t2, where b = 40 m / s; c = 4 m / s2. Find the time and point the way to a complete stop.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)