Question:
A body is thrown vertically upward with velocity u, the greatest height $h$ to which it will rise is,
Solution:
(b) Explanation: $u^{2}-v^{2}=-2 g h$ or $0-u^{2}=-2 g h$ ( $\therefore u=0$ at highest point).
$\therefore h=u^{2} / 2 g$.
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