Physics

Physics

Problem

Two identical satellites revolve around Earth in circular orbits: one just above the surface and the other at an altitude equal to Earth’s radius. What is the ratio vsurfacevhigh\dfrac{v_{\text{surface}}}{v_{\text{high}}} of their orbital speeds? a) 22 b) 12\dfrac{1}{2} c) 2\sqrt{2} d) 12\dfrac{1}{\sqrt{2}}

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