Two identical satellites revolve around Earth in circular orbits: one just above the…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
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 vhighvsurface of their orbital speeds?
(a) 2
(b) 21
(c) 2
(d) 21