Question: A basketball is released from rest at a point which is H m above ground. After hitting the ground, it bounces to a height H

A basketball is released from rest at a point which is

H m

above ground. After hitting the ground, it bounces to a height

\frac{H}{2} .

Take the vertical upward direction as positive and sketch with reasonable care, the graph of velocity against the height above ground. Justify your answer and specify the expressions for the important "point

(

) "

on the graph.

[5

marks

]

A basketball is released from rest at a point

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