Satellite A has twice the mass of satellite B, and moves at the same orbital distance from Earth as satellite B. Compare the speeds of the two satellites.
A) The speed of B is four times the speed of A .
B) The speed of B is one-fourth the speed of A .
C) The speed of B is twice the speed of A .
D) The speed of B is one-half the speed of A .
E) The speed of B is equal to the speed of A .

Question

Satellite A has twice the mass of satellite B, and moves at the same orbital distance from Earth as satellite B. Compare the speeds of the two satellites. 
A) The speed of  B  is four times the speed of  A .
B) The speed of  B  is one-fourth the speed of  A .
C) The speed of  B  is twice the speed of  A .
D) The speed of  B  is one-half the speed of  A .
E) The speed of  B  is equal to the speed of  A .

Quizplus · Accepted Answer

The orbital speed of a satellite is independent of its mass when it orbits at a given distance from Earth. Both satellites will have the same speed because they are at the same orbital distance.

Satellite a Has Twice the Mass of Satellite B, and Moves