Two projectiles are fired simultaneously as shown: one from the left with speed 20√3 m s⁻¹ at 60° and one from the right with speed 20 m s⁻¹ at 30°. Initial horizontal separation is 20√3 m. The minimum distance between them during flight is:
Physics · Kinematics part-3 Relative motion · Relative motion in 2-D and shortest distance problem
Two projectiles are fired simultaneously as shown: one from the left with speed 20√3 m s⁻¹ at 60° and one from the right with speed 20 m s⁻¹ at 30°. Initial horizontal separation is 20√3 m. The minimum distance between them during flight is:

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