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Started By
Message
re: Can this 747 take off?
Posted on 4/11/24 at 8:55 pm to LNCHBOX
Posted on 4/11/24 at 8:55 pm to LNCHBOX
quote:
The thrust from the engines is significantly larger than any force the treadmill could exert on the wheels.
Yes that’s why it is impossible, but for the sake of the riddle, the treadmill is able to go this fast to create the force required to counteract the thrust of 4 jet engines. That’s why I wrote the thought experiment about the small balsa wood plane with little thrust required for airborne
quote:
I quit Yall are beyond help.
You asked how it was possible
This post was edited on 4/11/24 at 8:57 pm
2
Posted on 4/11/24 at 9:02 pm to Power-Dome
quote:
You asked how it was possible
The speed of that treadmill is constant
Posted on 4/11/24 at 9:26 pm to Power-Dome
The riddle isn’t does the plane move it’s that it’s impossible for a conveyor to be designed to match the speed of the wheels. The wheels speed is the speed of the belt plus the additional speed of the trust, so be it 1 mph or infinity the speed of the wheels will always be higher.
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