Solution of task 14.2.13 from the collection of Kepe OE

Solution of task 14.2.13 from the collection of Kepe OE

14.2.13
Determine the modulus of momentum of the slider 2, whose mass m2 = 1 kg, in mm
The moment of time when the angle a = 60 °, if the slider 1 moves with a velocity v = 2 m / s. (Answer 1.15)