An object is thrown horizontally from a point 'A' from a tower and hits the ground \( 3 \mathrm{....

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An object is thrown horizontally from a point 'A' from a tower and hits the ground \( 3 \mathrm{~s} \) later at \( \mathrm{B} \). The
\( \mathrm{P} \)
line from 'A' to 'B' makes an angle of \( 30^{\circ} \) with the horizontal. The initial velocity of the object is :
W
(take \( g=10 \mathrm{~m} / \mathrm{s}^{2} \) )
(1) \( 15 \sqrt{3} \mathrm{~m} / \mathrm{s} \)
(2) \( 15 \mathrm{~m} / \mathrm{s} \)
(3) \( 10 \sqrt{3} \mathrm{~m} / \mathrm{s} \)
(4) \( 25 / \sqrt{3} \mathrm{~m} / \mathrm{s} \)


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