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A jet airplane travelling at the speed of 500kmh−1 ejects its products of combustion at the speed of 1500kmh−1 relative to the jet plane. The speed of the products of combustion with respect to an observer on the ground is
  • a)
    500 km h-1
  • b)
    1000 km h-1
  • c)
    1500 km h-1
  • d)
    2000 km h-1
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A jet airplane travelling at the speed of 500kmh−1ejects its pro...
Veloity of jet plane w.r.t ground vjG = 500 km h-1
Velocity of products of combustion w.r.t jet plane vCJ = -1500 kmh-1
∴ Velocity of products of combustion w.r.t ground is vCG = vCJ + vJG = - 1500kmh-1 + 500 kmh-1
= -1000 km h-1
-ve sign shows that the direction of products of combustion is opposite to that of the plane
∴ Speed of the products of combustion w.r.t ground = 1000 km h-1
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A jet airplane travelling at the speed of 500kmh−1ejects its products of combustion at the speed of 1500kmh−1relative to the jet plane.The speed of the products of combustion with respect to an observer on the ground isa)500 km h-1b)1000km h-1c)1500km h-1d)2000km h-1Correct answer is option 'B'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A jet airplane travelling at the speed of 500kmh−1ejects its products of combustion at the speed of 1500kmh−1relative to the jet plane.The speed of the products of combustion with respect to an observer on the ground isa)500 km h-1b)1000km h-1c)1500km h-1d)2000km h-1Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A jet airplane travelling at the speed of 500kmh−1ejects its products of combustion at the speed of 1500kmh−1relative to the jet plane.The speed of the products of combustion with respect to an observer on the ground isa)500 km h-1b)1000km h-1c)1500km h-1d)2000km h-1Correct answer is option 'B'. Can you explain this answer?.
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