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Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁ is four times the mass of S₂. Which one of the following statements is true?
Options
(a) The potential energies of earth satellites in the two cases are equal
(b) S₁ and S₂ are moving with the same speed
(c) The kinetic energies of the two satellites are equal
(d) The time period of S₁ is four times that of S₂
Correct Answer:
S₁ and S₂ are moving with the same speed
Explanation:
Since, orbital velocity of satellite is
v = √(GM / r), it does not depend upon the mass of the satellite.
Therefore, both satellites will move with same speed.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Moment of inertia, along the diameter of a ring is
- An electric current passes through a long straight wire
- The friction of the air causes a vertical retardation equal to 10%
- If h is planck’s constant and λ is wavelength, h/λ has dimensions of
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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