A ball is dropped vertically from a height \( d \) above the ground. It hits the ground and boun...

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A ball is dropped vertically from a height \( d \) above the ground. It hits the ground and bounces up vertically to a height \( d / 2 \). Neglecting subsequent motion and air resistance, its velocity \( v \) varies with the height \( h \) above the ground as
[IIT-JEE (Screening) 2000]
(d)
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