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For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
Options
(a) (1/2)
(b) 1/√2
(c) 2
(d) √2
Correct Answer:
(1/2)
Explanation:
-GMm/R² + mω²R = 0
GMm/R² = mω²R
Kinetic Energy = 1/2Iω²
KE= 1/2mR²ω² = GMm/2R
Potential energy = -GMm/R
Therefore, Kinetic energy = |Potential energy|/2
Kinetic energy/|Potential energy| = 1/2.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
- When photons of energy hν are incident on the surface of photosensitive
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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