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Orbital mechanics — Question 7

Original QCE Vault practice · 1 mark

Q7 · Practice questionSimple familiar1 mark

QUESTION 7

Two masses of 5.0×1024 kg5.0\times10^{24}\,\text{kg} and 800 kg800\,\text{kg} are separated by 7.0×106 m7.0\times10^6\,\text{m} between their centres. What is the gravitational force between them?
(A)
5.44×102 N5.44\times10^2\,\text{N}
(B)
5.44×103 N5.44\times10^3\,\text{N}
(C)
5.44×104 N5.44\times10^4\,\text{N}
(D)
7.62×104 N7.62\times10^4\,\text{N}
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