MathDB

069

Part of 1965 All Russian Mathematical Olympiad

Problems(1)

ASU 069 All Russian MO 1965 rocker hits the airplane-spy

Source:

6/19/2019
A spy airplane flies on the circle with the centre AA and radius 1010 km. Its speed is 10001000 km/h. At a certain moment, a rocket , that has same speed with the airplane, is launched from point AA and moves along on the straight line connecting the airplane and point AA.How long after launch will the rocket hit the plane?
algebra