6, The tower height H = 15 m at an angle α = 30 ° to the horizontal with the speed υ0 = 12 m / sec cast body mass m = 1 kg. Neglecting air resistance, determine at time t = 1,5 T with the kinetic and potential energy of the body II.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)