A)
B)
C)
D)
Correct Answer: A
Solution :
For the given condition initial height \[h=d\] and velocity of the ball is zero. When the ball moves downward its velocity increases and it will be maximum when the ball hits the ground & just after the collision it becomes half and in opposite direction. As the ball moves upward its velocity again decreases and becomes zero at height \[d/2\]. This explanation match with graph.
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