22. K 'resting bar (proper length l0 = 1,5 m), oriented at an angle υ' = 30 ° to the axis Ox '. The system K 'moves relative to K with the speed υ = 0.6 s. To determine the system: 1) the length of the rod l; 2) corresponding to the angle θ.

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