how fast should you launch an object horizontally so that it goes around earth (doesn't fall down to earth)

every 8 km comes with 5km closer to earth
- they are the distance that the earth curves

Question

how fast should you launch an object horizontally so that it goes around earth (doesn't fall down to earth)

every 8 km comes with 5km closer to earth 
- they are the distance that the earth curves

anonymous · Answer

PLEASE HELP!

anonymous · Answer

anonymous · Answer

any explanation?

anonymous · Answer

its for my physics class and the teacher wants it explained and we just started this topic so i dont know that much

anonymous · Answer

anonymous · Answer

this link will help to understand the principle behind the launching the satellite. Principle of satellite is just based on the PROJECTILE MOTION.