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Q)

Two stones are projected from the top of a cliff $h$ metres high, with the same speed $u$ so as to hit the ground at the same spot. If one of the stones is projected horizontally and the other is projected at an angle $\theta$ to the horizontal, then $\tan \theta$ equals :


( A ) $u \sqrt{\frac{2}{gh}}$
( B ) $2h \sqrt{\frac{u}{g}}$
( C ) $ \sqrt{\frac{2u}{gh}}$
( D ) $2u \sqrt{\frac{2}{gh}}$

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