Inertia is the resistance offered by a body to the motion whereas momentum is the tendency of a body to continue moving.
The gravity ( im not sure)
Answer: C
. The gravitational pull from Jupiter is much greater than any other forces acting on Io.
Explanation:
Let's begin by the fact Jupiter is a huge massive planet, therefore the bodies that are closest to Jupiter will have a greater gravitational force than the other bodies. That is the situation with Io, the moon closest to Jupiter.
However, Io's orbit is very elliptical and eccentric compared to the outer moons, resulting in the distortion of its shape by the gravitational force. In fact, Io is considered the most geologically active object in the solar system, due to these variations.
Only an alteration in the properties of the medium will cause a change in the speed.
Answer: 1600 km from the surface
Explanation:
Therefore, 8000 km - 6400 km = 1600 km from the surface