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Questions  

Two satellites of masses m1 and m2 (m1 > m2)are revolving around the earth in a circular orbit of radii r1 and r2 (r1 > r2),respectively. Which of the following statements is true regarding their speeds v1 and v2?

a
v1=v2
b
v1>v2
c
v1
d
v1r1=v2v2

detailed solution

Correct option is C

m1v12r1=m1GMr12, m2v22r2=m2GMr22v12v22=r2r1;r2

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