A very broad elevator is going up vertically with a constant acceleration of 
. At the
instant when its velocity is 
, a ball is projected from the floor of the lift with a speed of 
relative to the floor at an elevation of 
. The time taken by the ball to return the floor is (Take, 
A
B
C
D
1 s
Text Solution
Verified by ExpertsThe correct answer is:
B
Let us see the motion relative to elevator,
Now, 
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