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A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satallite is
Options
(a) gx
(b) gR/R-x
(c) gR²/R+x
(d) {gR²/R+x}½
Correct Answer:
{gR²/R+x}½
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 boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
- In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
- The time period of bar magnet is doubled when magnetic field is reduced
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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