JEE Main Physics question
Two particles and start simultaneously from the same point and move in a horizontal plane. has an initial velocity due east and acceleration due north. has an initial velocity due north and acceleration due east. Then
Answer: (B),(C),(D)
Solution
With : and : . Collision requires and for the same , which forces — so collision is conditional, not automatic, making (A) false. The two trajectories are different parabolas
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