Two satellites of masses 3 m and m orbit the earth in circular orbits of radii r and 3 r respectively. The ratio of the their speeds is

Question

Two satellites of masses 3 m and m orbit the earth in circular orbits of radii r and 3 r respectively. The ratio of the their speeds is

Two satellites of masses 3 m and m orbit the earth in circular orbits of radii r and 3 r respectively. The ratio of the their speeds is
A. `1:1`
B. `sqrt3:1`
C. `3:1`
D. `9:1`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - b
`V_(1) prop (1)/(sqrt(r_(1)))and V_(2)prop (1)/(sqrt(r_(2)))`
`(v_(1))/(v_(2))=sqrt((r_(2))/(r_(1)))=sqrt((3r)/(r))=sqrt3`

5 views Answered 2023-02-05 15:29