The speed of a projectile at its maximum height is half of its initial speed. The angle of proje...

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The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is
[CBSE PMT (Mains) 2010]
(a) \( 60^{\circ} \)
(b) \( 15^{\circ} \)
(c) \( 30^{\circ} \)
(d) \( 45^{\circ} \)
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