Answer: 1600 km from the surface
Explanation:
Therefore, 8000 km - 6400 km = 1600 km from the surface
Answer:
a
Explanation:
because it has compact molecules
D. It is the same energy but now pushing twice as much, so it would be half as fast so 1 m/s
There are only two things you can do to increase the work output of a machine:
1). Increase the work INput to the machine.
2). Make the machine more efficient ... do things like lubricating it better to eliminate some internal friction.
Someone very smart. definitely not me.