Consider a disc rotating in the horizontal plane with a constant angular speed about its centre O The disc has a shaded region on one side of the diameter and an unshaded region on the other side a shown in the figure When the disc is in the orientation as shown two pebbles P and Q are simultaneously projected at an angle towards R The velocity of projection is in the y z plane and is same for both pebbles with respect to the disc Assume that i they land back on the disc before the disc has completed 18 rotation ii their range is less than half the disc radius and iii remains constant throughout Then jee main 2012 physics

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Consider a disc rotating in the horizontal plane with a constant angular speed about its centre O. The disc has a shaded region on one side of the diameter and an unshaded region on the other side a shown in the figure. When the disc is in the orientation as shown, two pebbles P and Q are simultaneously projected at an angle towards R. The velocity of projection is in the y-z plane and is same for both pebbles with respect to the disc. Assume that (i) they land back on the disc before the disc has completed 1/8 rotation, (ii) their range is less than half the disc radius, and (iii) remains constant throughout. Then - jee main 2012 physics

(A) P lands in the shaded region and Q in the unshaded region.
(B) P lands in the unshaded region and Q in the shaded region.
(C) Both P and Q land in the unshaded region.
(D) Both P and Q land in the shaded region.


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