87. The kinetic energy of the rotating with the frequency n1 = 3c-1 flywheel rav¬na 8.4 kJ. How many times will increase the speed of the flywheel during the time t = 5, if the flywheel begins to act accelerating torque M = 100 N ∙ m?
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)