Answer:
When
the ball is thrown upwards, it will reach certain height (h) and starts
falling. At maximum height (h), the final velocity will be (v) = 0 Maximum
height reached by the hall, (acceleration )
Using equation
?(i)
In second case, when the ball starts to fall, the initial velocity
(u) = 0. It will accelerate due to gravity i.e., a = g and reach ground with
velocity (say ).
Using equation
The ball reach ground with
same velocity.
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