Question

What is different about the motion of satellites that travel in elliptical paths compared to satellites that travel in circular paths?
a.
Elliptical satellites travel at a constant speed, but circular satellites do not
c.
Elliptical satellites aren't acted on by gravity, but circular satellites are
b.
Elliptical satellites don't have a constant speed, but circular satellites do
d.
Elliptical satellites are much larger than circular satellite

Answer 1

I think circular satellites are acted by gravity.