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A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 x 10⁶ m above the surface of earth. If earth’s radius is 6.38 x 10⁶ m and g=9.8 ms⁻², then the orbital speed of the satellite is
Options
(a) 9.13 km s⁻¹
(b) 6.67 km s⁻¹
(c) 7.76 km s⁻¹
(d) 8.56 km s⁻¹
Correct Answer:
7.76 km s⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The velocity of molecules of a gas at temperature 120 K is v. At what temperature
- Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁
- A source of sound and a detector are moving along the same line with same speed
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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