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pichlo's Avatar
Posts: 6,453 | Thanked: 20,983 times | Joined on Sep 2012 @ UK
#2554
Originally Posted by Casanunda View Post
But the jet would not take off without air streaming past its wings.
Indeed. Air is also what the engines are accelerating against, not the ground. The fact that the ground is moving does not change that. All it would change is how fast the wheels are spinning, but not the forward motion. More on the topic here.

Now for the next question. You are stranded in the middle of the sea in a small boat with a sail. The wind has completely died out. Can you propel yourself forward by blowing at the sail?
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