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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
- An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
- A steady current is passing through a linear conductor of non-uniform cross-section.
- A wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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