Two artificial satellites I and II have circular orbits of radii and

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

37. Two artificial satellites I and II have circular orbits of radii

R

and

2 R

, respectively, about the same planet. The orbital velocity of satellite I is

v

. What is the orbital velocity of satellite II? (A)

\frac{v}{2}

(B)

\frac{v}{\sqrt{2}}

(C)

\sqrt{2} v

(D)

2 v