Satellites: A satellite in a circular orbit of radius R around planet X has an orbital period T. If Planet X had one-fourth as much mass, the orbital period of this satellite in an orbit of the same radius would be
A) 4T.
B) 2T.
C) T .
D) T/2.
E) T/4.

Question

Satellites: A satellite in a circular orbit of radius R around planet X has an orbital period T. If Planet X had one-fourth as much mass, the orbital period of this satellite in an orbit of the same radius would be
A) 4T. 
B) 2T. 
C) T . 
D) T/2. 
E) T/4.

Quizplus · Accepted Answer

The Answer of Satellites: A satellite in a circular orbit of radius R around planet X has an orbital period T. If Planet X had one-fourth as much mass, the orbital period of this satellite in an orbit of the same radius would be
A) 4T. 
B) 2T. 
C) T . 
D) T/2. 
E) T/4.

Satellites: a Satellite in a Circular Orbit of Radius R