The times of flight of a projectile is maximum when angle of projec...

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The times of flight of a projectile is maximum when angle of projection is
(A) \( 30^{\circ} \)
(B) \( 45^{\circ} \)
\( \mathrm{P} \)
(C) \( 60^{\circ} \)
(D) \( 90^{\circ} \).
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