Kinematics | Problem 1.5

Irodov I.E. - Problems in General Physics (1981)

PHYSICAL FUNDAMENTALS OF MECHANICS | Kinematics

Problem 1.5

Task:

Two particles, \( 1 \) and \( 2 \), move with constant velocities \( \vec{v_1} \) and \( \vec{v_2} \). At the initial moment their radius vectors are equal to \( \vec{r_1} \) and \( \vec{r_2} \). How must these four vectors be interrelated for the particles to collide?

Solution: