If \( \mathrm{R} \) is the maximum horizontal range of a particle, then the greatest height atta...

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If \( \mathrm{R} \) is the maximum horizontal range of a particle, then the greatest height attained by it is :
(1) \( \mathrm{R} \)
(2) \( 2 \mathrm{R} \)
(3) \( \frac{\mathrm{R}}{2} \)
(4) \( \frac{\mathrm{R}}{4} \)
\( \mathrm{P} \)
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