Решение задачи по физике раздел 15 пункт 70 механика

70. The disk of radius r = 20 cm rotates according to the equation φ (t) = A + Bt + Ct3, where A = 3 rad; B = -1 rad / s; C = 0.1 rad / c3. Determine tangential aτ, normal and complete an acceleration of points on a circumference of the disc at time t = 10 seconds.

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