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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
- A bar magnet of magnetic moment M is placed at right angles to a magnetic
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- A ball rolls off the top of stair way with a horizontal velocity of magnitude 1.8 m/s
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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