A satellite is in orbit around the Earth

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

Problem

A satellite is in orbit around the Earth. The orbit has radius

r

and period

T

. Which expression gives the orbital speed of the satellite? (A)

\frac{r}{2\pi T}

(B)

\frac{T}{2\pi r}

(C)

\frac{2\pi r}{T}

(D)

\frac{2\pi T}{r}