A stone is projected from the ground with velocity \( \mathrm{P} \)...

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A stone is projected from the ground with velocity
\( \mathrm{P} \)
\( 50 \mathrm{~m} / \mathrm{s} \) at an angle of \( 30^{\circ} \). It crosses a wall after 3
W
sec. How far beyond the wall the stone will strike the ground \( \left(g=10 \mathrm{~m} / \mathrm{sec}^{2}\right) \)
(1) \( 90.2 \mathrm{~m} \)
(2) \( 89.6 \mathrm{~m} \)
(3) \( 86.6 \mathrm{~m} \)
(4) \( 70.2 \mathrm{~m} \)
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