Two satellites are in circular orbits around the Earth

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

Problem

Two satellites are in circular orbits around the Earth. Both satellites have the same mass and satellite

X

is closer to Earth than satellite

Y

. What is correct for the orbital periods of

X

and

Y

and the total energies of

X

and

Y

? (A) Orbital periods:

X

greater than

Y

; Total energies:

X

greater than

Y

(B) Orbital periods:

X

greater than

Y

; Total energies:

Y

greater than

X

Y

greater than

X

; Total energies:

X

greater than

Y

(D) Orbital periods:

Y

greater than

X

; Total energies:

Y

greater than

X