Derive an expression for the work that must be done to move a satellite of mass from…

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Derive an expression for the work that must be done to move a satellite of mass

m

from a circular orbit of radius

r_1

to a higher circular orbit of radius

r_2\,(r_2>r_1)

around an isolated planet of mass

M

. Express your answer in terms of

G,\,M,\,m,\,r_1,

and

r_2