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Let initialy cordinats of A, B, C are (-b,0), (0,0) and (b,0).(x-axis horizontal y-axis vertical)
At any time t A = (-b,ut) and C=(+b,0.5at^2)
If ABC are in straight line and B is on y-axis so cordinates of B are (0, (ut-0.5a^2)/2)
So b should move with an initial velocity of u/2 in upward direction with a constant acceleration of a/2 in downward direction
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Moderation Team
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