15.5.10
The rod 1 of mass m1 = 4 kg, bent at point A at an angle of 60 °, moves to the mountain
Zonal guides with velocity v1 = 1 m / s and drives the rod 2 with a mass
M2 = 2 kg. The rods are connected by a bushing. Determine the kinetic energy
System of rods. (Answer 2.75)