The radius of the Earth is approximately 6,000 kilometers
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
5. The radius of the Earth is approximately 6,000 kilometers. The acceleration of an astronaut in a perfectly circular orbit 300 kilometers above the Earth would be most nearly
(A) 0m/s2
(B) 0.05m/s2
(C) 5m/s2
(D) 9m/s2
(E) 11m/s2