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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- The specific charge of a proton is 9.6×10⁷ C/kg. The specific charge of an alpha particle
- A photosensitive metallic surface has work function, hν₀. If photons of energy
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- A particle is dropped vertically from rest, from a height.The time taken by it to fall
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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