Two satellites A and B of masses m1 and m2(m1=2m2) are moving in circular orbits of radii r1 and r2(r1=4r2), respectively, around the earth. If their periods are TA and TB then the ratio TA/TB is
A
4
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B
16
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C
2
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D
8
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Solution
The correct option is D8 By capler's law T2∝r3 (TATB)2=(r1r2)3=43As,r1=4r2 TATB=√64=8