Решение задачи по физике раздел 8 пункт 74 механика

74. The movement of the point on the line defined equalized iem X = At + Bt2, where A = 2 m / s; B = - 0.5 m / s2 .Opredelit average ground speed υsr points in the time interval from t1 = 1 t2 = s to 3 s.

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