Gravitation Question 235

Question: Two satellites of masses [m1] and [m2(m1>m2)] are revolving round the earth in circular orbits of radius [r1] and [r2(r1>r2)] respectively. Which of the following statements is true regarding their speeds [v1] and [v2] ? [NCERT 1984; MNR 1995; BHU 1998]

Options:

A) [v1=v2]

B) [v1<v2]

C) [v1>v2]

D) [v1r1=v2r2]

Show Answer

Answer:

Correct Answer: B

Solution:

[v=GMr] if [r1>r2] then [v1<v2] Orbital speed of satellite does not depends upon the mass of the satellite



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