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A stone is projected from a point on the ground in such a way so as to hit a bird at height 3h and could attain a maximum height 4h above the ground. If at the instant of projection, the bird flies away horizontally with speed 10 m s−1  and the stone still hits the bird while descending, then the horizontal velocity of stone is
  • a)
    8 m s−1
  • b)
    15 m s−1
  • c)
    12 m s−1
  • d)
    9 m s−1
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A stone is projected from a point on the ground in such a way so as to...
Particle taken t1 time to reach from 0 to 3h and also t1 to reach from 3h to 4h and yet again t1 time from 4h to 3h.
∴ vx3t− 10 × 3t1 = vxt1
⇒ vx = 15 m s−1
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Community Answer
A stone is projected from a point on the ground in such a way so as to...
Particle taken t1 time to reach from 0 to 3h and also t1 to reach from 3h to 4h and yet again t1 time from 4h to 3h.
∴ vx3t− 10 × 3t1 = vxt1
⇒ vx = 15 m s−1
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A stone is projected from a point on the ground in such a way so as to hit a bird at height3h and could attain a maximum height4h above the ground. If at the instant of projection, the bird flies away horizontally with speed10ms−1 and the stone still hits the bird while descending,then the horizontal velocity of stoneisa)8 m s−1b)15 m s−1c)12 m s−1d)9 m s−1Correct answer is option 'B'. Can you explain this answer?
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A stone is projected from a point on the ground in such a way so as to hit a bird at height3h and could attain a maximum height4h above the ground. If at the instant of projection, the bird flies away horizontally with speed10ms−1 and the stone still hits the bird while descending,then the horizontal velocity of stoneisa)8 m s−1b)15 m s−1c)12 m s−1d)9 m s−1Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A stone is projected from a point on the ground in such a way so as to hit a bird at height3h and could attain a maximum height4h above the ground. If at the instant of projection, the bird flies away horizontally with speed10ms−1 and the stone still hits the bird while descending,then the horizontal velocity of stoneisa)8 m s−1b)15 m s−1c)12 m s−1d)9 m s−1Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A stone is projected from a point on the ground in such a way so as to hit a bird at height3h and could attain a maximum height4h above the ground. If at the instant of projection, the bird flies away horizontally with speed10ms−1 and the stone still hits the bird while descending,then the horizontal velocity of stoneisa)8 m s−1b)15 m s−1c)12 m s−1d)9 m s−1Correct answer is option 'B'. Can you explain this answer?.
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