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re: Can this 747 take off?
Posted on 4/11/24 at 11:00 pm to tigerfoot
Posted on 4/11/24 at 11:00 pm to tigerfoot
quote:
It says they move exactly the same speed.
It doesn’t say that. It says a conveyor belt designed to match the speed of the wheels, moving in the opposite direction.
Answer: the plane takes off because it can’t match the speed it’s mathematically impossible. The wheels will always be faster so long as the thrust from the engines is greater than zero.
This post was edited on 4/11/24 at 11:02 pm
Posted on 4/11/24 at 11:05 pm to PhysicsGuy
quote:
The conveyor belt is designed to exactly match the speed of the wheels, moving in the opposite direction...
I don’t know how you keep saying it doesn’t say what it says
Posted on 4/11/24 at 11:08 pm to PhysicsGuy
Why will the wheels always be faster? What if the treadmill is programmed to go “‘wheel speed’ + 0.001?”
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