What is Landspeed of a airplane at take off?
This varies greatly from airplane to airplane, as well as according to ground wind conditions.
Keep in mind that landspeed does not matter to an airplane nearly as much as AIRspeed. For example, your typical 4-seater single engine airplane takes off at around 60mph airspeed. Given a 20mph headwind, this aircraft could take off at 40mph GROUND speed.
If you are interested in how fast the ground is wizzing by when youre looking out the window of the airliner. Most airliners take off at around 150 to 180 mph AIRspeed.
Yes you can take it on an airplane but you have to keep it switched off. You can use your phone only during take off and during landing. During the flight itself, you are not allowed to use your cell phone. Yes, but they usually ask you to turn them off during at least take off and landing (possibly the rest of the flight, I can't remember).
The interpretation depends on what the airplane is doing, and on your emotions in the dream. An airplane on the ground combined with disappointed or discouraged feelings suggests that you feel that your life is going nowhere. On the other hand, if you are boarding a plane that is preparing to take off, that would suggest that you are about to "take off" in a new venture or experience in life. Yet again, if you…
There are different usages for the phrase "take off." In the non-idiomatic sense, as in "take off your hat, or "take a little off the top," "take" means to manipulate, to control. In the idiom "take (oneself) off " meaning to depart hastily, or of an airplane, to begin flight, it has no separate meaning - that is why idioms cannot be "figured out" simply by understanding the words in them.