MCQ
A ball is dropped from a height $h$ above ground. Neglect the air resistance, its velocity $(v)$ varies with its height above the ground as
  • $\sqrt{2 g(h-y)}$
  • B
    $\sqrt{2 g h}$
  • C
    $\sqrt{2 g y}$
  • D
    $\sqrt{2 g(h+y)}$

Answer

Correct option: A.
$\sqrt{2 g(h-y)}$
a
(a)

$v=\sqrt{2 g(h-y)}$

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