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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
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists
- The temperature of a body falls from 50⁰C to 40⁰C in 10 minute. If the temperature
- A body starts from rest, what is the ratio of the distance travelled by the body
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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