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ADNAN MUHAMMED

Grade 12,

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7. 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 as 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

7. 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 as 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

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2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

Please attach the image of the question

Regards
Vikas TU
14149 Points
3 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers

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