Solution of task 14.2.24 from the collection of Kepe OE

Solution of task 14.2.24 from the collection of Kepe OE

14.2.24
Determine the projection onto the Oy axis of the principal vector of the momentum of the system of two
Material points whose masses m1 = 4 kg, m2 = 2 kg, at the time when their velocities
V1 = 2 m / s, v2 = 1 m / s. (Answer 7.07)