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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
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
- Two racing cars of masses m₁ and m₂ are moving in circles of radii
- In a water fall, the water falls from a height of 100 m. If the entire kinetic energy
- In an ammeter, 0.2% of main current passes through the galvanometer
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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