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Orbital mechanics — Question 10

Original QCE Vault practice · 1 mark

Q10 · Practice questionComplex familiar1 mark

QUESTION 10

A satellite is in a circular orbit of radius 8.0×106 m8.0\times10^6\,\text{m} around a planet of mass 6.0×1024 kg6.0\times10^{24}\,\text{kg}. Its orbital speed is closest to
(A)
3.54×103 m s−13.54\times10^3\,\text{m s}^{-1}
(B)
5.00×103 m s−15.00\times10^3\,\text{m s}^{-1}
(C)
7.07×103 m s−17.07\times10^3\,\text{m s}^{-1}
(D)
1.00×104 m s−11.00\times10^4\,\text{m s}^{-1}
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