Лаг1989 задача №1.27

The velocities of the two particles moving along the x-axis, change over time v₁ = 4i laws; v₂ = -0,8ti. At time t = 0 the coordinates of x₁ = 0; x₂=15m
respectively. Find: a) the radius vector particles meeting point; b) the velocities v₁ and v₂ modules at the moment τ meeting.

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