Are jets and airplanes the same thing?
Yes. Jets are just one type of airplane. There are also airplanes that are driven by propellers at the front of the plane, and there are others that aren't powered at all-they just glide. ~S&K
Well depending on what kind of airplane, but jet are normally really fast.
Yes, jet is the type of engine that propels the airplane through the air.
they are all airplanes some have jets some have props
All jets are airplanes, but not all airplanes are jets.