Решение задачи по физике раздел 29 пункт 91 механика

91. The fan rotates at n = 420 min-1. After he began to spin off ravnozamedlenno and stopped making N = 100 rpm. Determine the work done by braking A; braking torque M. The moment of inertia of the fan J = 0,4 kg ∙ m2.

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